feat: add 5 Chinese government data sources (AM batch, 2026-04-19)

firstdata/sources/china/national/meteorology/china-cma-data.json

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+{
+  "id": "china-cma-data",
+  "name": {
+    "en": "China Meteorological Data Service Center",
+    "zh": "中国气象数据网（国家气象信息中心）"
+  },
+  "description": {
+    "en": "The China Meteorological Data Service Center (CMDC), operated by the National Meteorological Information Center under the China Meteorological Administration (CMA), is the official national platform for sharing and accessing meteorological scientific data in China. It provides open access to historical weather observations, climate datasets, atmospheric sounding records, precipitation data, temperature records, and specialized meteorological products covering thousands of weather stations across China dating back decades. The platform supports scientific research, disaster prevention, and climate change studies.",
+    "zh": "中国气象数据网（CMDC）由中国气象局国家气象信息中心运营，是中国官方气象科学数据共享与访问平台。提供气象历史观测数据、气候数据集、大气探测记录、降水数据、温度记录及专项气象产品的开放获取，覆盖全国数千个气象站数十年数据，支持科学研究、防灾减灾及气候变化研究。"
+  },
+  "data_content": {
+    "en": [
+      "historical surface meteorological observations",
+      "climate change monitoring datasets",
+      "atmospheric sounding and radiosonde data",
+      "precipitation and rainfall records",
+      "temperature and humidity time series",
+      "wind speed and direction measurements",
+      "solar radiation and sunshine duration data",
+      "tropical cyclone track datasets",
+      "drought and flood monitoring data",
+      "agricultural meteorological observation data"
+    ],
+    "zh": [
+      "地面气象历史观测数据",
+      "气候变化监测数据集",
+      "高空探测与无线电探空数据",
+      "降水和降雨记录",
+      "温度和湿度时间序列",
+      "风速和风向测量数据",
+      "太阳辐射和日照时数数据",
+      "热带气旋路径数据集",
+      "干旱洪涝监测数据",
+      "农业气象观测数据"
+    ]
+  },
+  "country": "CN",
+  "authority_level": "government",
+  "geographic_scope": "national",
+  "website": "https://data.cma.cn",
+  "data_url": "https://data.cma.cn/en",
+  "api_url": null,
+  "domains": ["climate", "environment", "earth-science"],
+  "tags": ["weather", "meteorology", "climate", "precipitation", "temperature", "气象", "气候", "降水", "天气数据", "CMA", "CMDC", "中国气象局", "气象数据", "historical-weather"],
+  "update_frequency": "daily"
+}

firstdata/sources/china/research/china-cste.json

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+{
+  "id": "china-cste",
+  "name": {
+    "en": "China Society for Technology Economics",
+    "zh": "中国技术经济学会"
+  },
+  "description": {
+    "en": "The China Society for Technology Economics (CSTE) is a national academic society founded in 1981, affiliated with the China Association for Science and Technology and supervised by the National Development and Reform Commission (NDRC). It is China's leading professional organization specializing in the intersection of technology and economic analysis, focusing on technology innovation economics, science and technology investment evaluation, industrial policy research, and the economic impact of technological progress. CSTE publishes research reports, policy analyses, and academic papers on innovation-driven development, technology commercialization, and the economic returns of R&D investment in China.",
+    "zh": "中国技术经济学会（CSTE）成立于1981年，是中国科学技术协会所属、国家发展和改革委员会指导的全国性学术团体，是中国技术与经济交叉分析领域最重要的专业机构，专注于技术创新经济学、科技投资评估、产业政策研究及技术进步的经济影响。学会发布创新驱动发展、技术商业化及中国研发投资经济效益等方面的研究报告、政策分析和学术论文。"
+  },
+  "data_content": {
+    "en": [
+      "technology innovation economics research reports",
+      "science and technology investment evaluation data",
+      "industrial technology policy analysis",
+      "R&D investment returns and efficiency studies",
+      "technology commercialization statistics",
+      "innovation-driven development indicators",
+      "technology economics academic publications",
+      "enterprise technology innovation surveys"
+    ],
+    "zh": [
+      "技术创新经济学研究报告",
+      "科技投资评估数据",
+      "产业技术政策分析",
+      "研发投资回报与效率研究",
+      "技术商业化统计数据",
+      "创新驱动发展指标",
+      "技术经济学学术出版物",
+      "企业技术创新调查"
+    ]
+  },
+  "country": "CN",
+  "authority_level": "research",
+  "geographic_scope": "national",
+  "website": "https://www.cste.org.cn",
+  "data_url": "https://www.cste.org.cn",
+  "api_url": null,
+  "domains": ["economics", "science"],
+  "tags": ["technology-economics", "innovation", "R&D", "科技经济", "技术创新", "技术经济", "创新经济学", "NDRC", "CSTE", "中国技术经济学会", "industrial-policy", "science-technology-policy"],
+  "update_frequency": "irregular"
+}

firstdata/sources/china/resources/water/china-chinawater.json

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+{
+  "id": "china-chinawater",
+  "name": {
+    "en": "China Water Resources Portal",
+    "zh": "中国水利网"
+  },
+  "description": {
+    "en": "China Water Resources Portal (chinawater.com.cn) is the official online information platform affiliated with the Ministry of Water Resources of China, operated by China Water Resources Press (中国水利报社). It serves as a comprehensive data and information portal for China's water sector, publishing water resources bulletins, river basin management reports, flood and drought statistics, irrigation area data, hydraulic engineering project records, and policy documents. The portal provides public access to official water resources statistics and thematic data covering China's rivers, lakes, reservoirs, and water conservancy infrastructure.",
+    "zh": "中国水利网（chinawater.com.cn）是水利部主管、中国水利报社主办的官方水利行业信息平台，是中国水利领域综合数据与信息门户，发布水资源公报、流域管理报告、洪涝旱情统计、灌溉面积数据、水利工程项目记录及政策文件，为公众提供涵盖中国河流、湖泊、水库及水利基础设施的官方水资源统计与专题数据。"
+  },
+  "data_content": {
+    "en": [
+      "national water resources bulletins",
+      "flood and drought monitoring statistics",
+      "river basin management reports",
+      "irrigation area and water use data",
+      "hydraulic engineering project data",
+      "groundwater monitoring data",
+      "water quality assessment reports",
+      "reservoir storage statistics",
+      "water conservancy investment data",
+      "rural water supply data"
+    ],
+    "zh": [
+      "全国水资源公报",
+      "洪涝旱情监测统计",
+      "流域管理报告",
+      "灌溉面积与用水数据",
+      "水利工程项目数据",
+      "地下水监测数据",
+      "水质评估报告",
+      "水库蓄水量统计",
+      "水利投资数据",
+      "农村供水数据"
+    ]
+  },
+  "country": "CN",
+  "authority_level": "government",
+  "geographic_scope": "national",
+  "website": "https://www.chinawater.com.cn",
+  "data_url": "https://www.chinawater.com.cn",
+  "api_url": null,
+  "domains": ["environment", "infrastructure"],
+  "tags": ["water-resources", "hydrology", "flood", "drought", "irrigation", "水资源", "水利", "洪水", "干旱", "灌溉", "水库", "流域", "水文", "MWR", "水利部", "water-quality", "groundwater"],
+  "update_frequency": "irregular"
+}

firstdata/sources/china/technology/industry_associations/china-ces.json

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+{
+  "id": "china-ces",
+  "name": {
+    "en": "China Electrotechnical Society",
+    "zh": "中国电工技术学会"
+  },
+  "description": {
+    "en": "The China Electrotechnical Society (CES) is a national academic organization founded in 1981, affiliated with the China Association for Science and Technology. It is the premier professional society for electrical engineering, power electronics, and electrotechnical research in China. CES publishes technical research reports, industry whitepapers, and statistical analyses covering power generation equipment, electric motors, transformers, power electronics, and emerging areas such as new energy vehicles, energy storage systems, and smart grid technologies. Its publications serve as authoritative references for China's electrical and energy equipment industries.",
+    "zh": "中国电工技术学会（CES）成立于1981年，隶属于中国科学技术协会，是中国电气工程、电力电子和电工技术研究领域最重要的专业学术团体。学会发布技术研究报告、行业白皮书及统计分析，涵盖发电设备、电动机、变压器、电力电子，以及新能源汽车、储能系统和智能电网等新兴领域，其出版物是中国电气和能源装备行业的权威参考资料。"
+  },
+  "data_content": {
+    "en": [
+      "power generation equipment statistics",
+      "electric motor and transformer industry data",
+      "power electronics technology reports",
+      "new energy vehicle charging equipment data",
+      "energy storage system statistics",
+      "smart grid technology research",
+      "electrical industry market analysis",
+      "technical standards and whitepapers",
+      "renewable energy integration data",
+      "industrial electrical equipment output"
+    ],
+    "zh": [
+      "发电设备统计数据",
+      "电动机和变压器行业数据",
+      "电力电子技术报告",
+      "新能源汽车充电设备数据",
+      "储能系统统计数据",
+      "智能电网技术研究",
+      "电气行业市场分析",
+      "技术标准与白皮书",
+      "可再生能源并网数据",
+      "工业电气设备产量"
+    ]
+  },
+  "country": "CN",
+  "authority_level": "research",
+  "geographic_scope": "national",
+  "website": "https://www.ces.org.cn",
+  "data_url": "https://www.ces.org.cn",
+  "api_url": null,
+  "domains": ["energy", "manufacturing"],
+  "tags": ["electrical-engineering", "power-electronics", "smart-grid", "energy-storage", "electric-motors", "电工", "电气工程", "电力电子", "智能电网", "储能", "新能源", "CES", "中国电工技术学会", "transformers"],
+  "update_frequency": "irregular"
+}

firstdata/sources/china/technology/industry_associations/china-csm.json

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+{
+  "id": "china-csm",
+  "name": {
+    "en": "Chinese Society for Metals",
+    "zh": "中国金属学会"
+  },
+  "description": {
+    "en": "The Chinese Society for Metals (CSM) is a national academic organization founded in 1956, operating under the China Association for Science and Technology. It is the leading professional society for metallurgical science and technology in China, representing scientists and engineers in iron and steel, non-ferrous metals, functional materials, and advanced manufacturing. CSM publishes key industry statistics, technical standards, research reports, and academic journals covering China's metals and materials industries. It plays a central role in bridging scientific research and industrial applications for China's steel and metals sector.",
+    "zh": "中国金属学会（CSM）成立于1956年，是中国科学技术协会下属的全国性学术团体，是中国金属学和材料科技领域最重要的专业学会，代表钢铁、有色金属、功能材料和先进制造领域的科学家和工程师。学会发布主要行业统计数据、技术标准、研究报告及学术期刊，覆盖中国金属和材料工业，在中国钢铁和金属行业的科学研究与产业应用对接中发挥核心作用。"
+  },
+  "data_content": {
+    "en": [
+      "iron and steel production statistics",
+      "non-ferrous metals industry data",
+      "metallurgical technology research reports",
+      "materials science academic publications",
+      "industry technical standards",
+      "steel consumption and market data",
+      "advanced manufacturing statistics",
+      "academic conference proceedings and papers"
+    ],
+    "zh": [
+      "钢铁生产统计数据",
+      "有色金属行业数据",
+      "冶金技术研究报告",
+      "材料科学学术出版物",
+      "行业技术标准",
+      "钢铁消费与市场数据",
+      "先进制造业统计数据",
+      "学术会议论文集"
+    ]
+  },
+  "country": "CN",
+  "authority_level": "research",
+  "geographic_scope": "national",
+  "website": "https://www.csm.org.cn",
+  "data_url": "https://www.csm.org.cn",
+  "api_url": null,
+  "domains": ["manufacturing", "science"],
+  "tags": ["steel", "metals", "metallurgy", "materials-science", "iron", "非铁金属", "钢铁", "金属", "冶金", "材料科学", "CSM", "中国金属学会", "中国钢铁", "advanced-manufacturing"],
+  "update_frequency": "irregular"
+}