grain to be ground 中文意思是什麼
grain to be ground
解釋
待磨的穀物- grain : n 1 穀物，糧食〈英國叫 corn〉; 谷類植物。2 穀粒，籽粒。3 （沙、金、鹽等的）粒，顆粒，晶粒。4 些微...
- to : adv 到某種狀態；〈特指〉到停止狀態；關閉。 ★也常和動詞結合，略去其後賓語，而構成成語： The door i...
- be : 1 Bachelor of Engineering 工學士。2 Bachelor of Economics 經濟學士。3 Bachelor of Education 教育...
- ground : adj 碾碎了的，磨過的，磨成粉的。 ground and polished piston 【機械工程】研磨活塞。n 1 地，地面；...
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The agricultural production holds an important position in baoding area, winter wheat and summer corn are the main grain crops and cotton is the main cash crop. the water resources used in agriculture include rainwater resources used directly by crops and surface water resources or underground water resources which is used through irrigation. there have been lots of rainwater waste because of lacking in research on rainwater resources utilization and in perfect engineering technology in baoding area. to make full use of rainwater is important to alleivate the water resources crisis and improve the ecological environment, the main objectives can make more rainwater turn into soilwater that can be utilized by crops directly and decrease the crops requirments for the surface and ground water resources
用於農業生產的水資源包括直接利用的雨水資源和通過灌溉補充的地表水資源和地下水資源。目前，保定市對直接用於農業生產的雨水資源尚未進行深入細致的研究，而且雨水資源的利用工程技術措施尚不完備，這種情況造成了雨水資源的浪費。顯然，充分利用雨水資源，即盡可能多的把天然降水轉化為可被作物利用的土壤水，減少作物對現有水資源（地表水資源和地下水資源）的需求，對于緩解保定市水資源供需矛盾，改善水環境與生態環境有重要的現實意義。
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