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【多选题】
承担气象辐射观测任务的站，按观测项目的多少分为一级站、二级站和三级站，其总，气象辐射观测二级站主要观测项目包括（）A.
总辐射
B.
太阳直接辐射
C.
反射辐
D.
净全辐射观测
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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