A.項(xiàng)目設(shè)想B.項(xiàng)目預(yù)選和選定C.項(xiàng)目準(zhǔn)備D.項(xiàng)目調(diào)查E.項(xiàng)目評(píng)審
A.生產(chǎn)周期長(zhǎng)B.因土制宜C.資金占用量大D.依賴性強(qiáng)
A.轉(zhuǎn)化和積蓄太陽(yáng)能B.提高土地生產(chǎn)力,改善生態(tài)條件C.提高產(chǎn)量和勞動(dòng)生產(chǎn)率,充分而合理的利用物質(zhì)資源D.提高農(nóng)業(yè)經(jīng)濟(jì)效益