It is necessery that the total consumptiveuse of water in the rotation period is equal to the total effective precipitation(pre- cipitation minus runoff depth)in the loess hilly region.
在黄土丘陵区要求林草与农作物地在轮作周期内的总耗水量与有效雨量（降雨量与径流深之差）持平。
2
The paper researches on how to use the consumptive digital camera to take photos of the tiny proofs from the view of the mark inspectors in the basic public security bureau.
本文从基层痕迹检验技术人员的角度出发，着重研究如何使用消费级的数码相机拍照微小的痕迹物证。
3
It is inevitable for the use of iatric consumptive material in hospital to increase along with the increase of the surgery patients amount.