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【摘 要】
：
[Objective]The aim was to study change tendency of the precipitation resource during growth period of the conventional crops in plain area before Taihang Mounta
【机 构】
：
CollegeofPublicAdministration,HebeiAcademyofAgricultureandForestry
【出 处】
：
气象与环境研究：英文版
【发表日期】
：
2013年2期
【基金项目】
：
Supported by National Science and Technology Support Plan Item, China （2007BAD69B09） , Soft Science Research Plan Project in Hebei Province, China （10457204D-30, 114572124）.
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