灌区

During 3 years, six different multiple cropping rotation systems were studied at varying levels of water application in Hexi oasis irrigation area.

在不同供水条件下，对河西绿州灌区6种多熟轮作方式进行了3年3区节水轮作体系的研究。

Study on Zoning of Vegetation Rehabilitation in Bashang Plateau ;2. problem of underground water utilization in well irrigating region of Bashang plateau is discussed.

笔者详细分析了坝上地区地下水资源分布的地区差异、赋存特征及脆弱性，重点对坝上井灌区地下水资源利用中存在的问题和对策进行了探讨。

The forecast of irrigation water volume playa an important role in the irrigation management.

灌溉用水量的预测对灌区的灌溉管理起着重要的作用。

The testing for the application of the system made in well-irrigation district shows that the water sav.

经过在井灌区应用测试，取得了节水70m3/亩、省工81.3%的效果。

The effects of different fertilization on soil microbial biomass C, N, P and maize yield in light sierozem were investigated with a field experiment, which was continued for 4 years at Hongsibu irrigated area of Ningxia.

通过设置在宁夏红寺堡灌区开垦4a的淡灰钙土上的定位试验，研究了不同施肥对新垦淡灰钙土微生物生物量碳、氮、磷及玉米产量的影响。

to remove the siltation and the bed load,auto-desilting technology has been applied in donglei.

介绍了为解决东雷抽黄灌区排沙存在难题而研制的自排沙廊道排沙技术，包括自排沙廊道的主要设施、设计原则、设计程序、结构要求、工作过程等。

This paper introduces the selection for intersecting building structure stype in Weixing irrigation area and discnsses the structure type of upsidedown siphonal pression culvert .

介绍了卫星灌区交叉建筑物结构型式的选择，并对倒虹吸压力涵的结构型式进行了探讨。

The effects of sowing time on seed traits and flour quality of spring wheat in Hexi Corridor were studied.

在分期播种条件下，对河西灌区主栽的10个小麦品种的籽粒性状和面粉品质进行了研究。

The construction of this project will raise the flood prevention standard, in the down stream Chengdu plain, from the flood that can be seen once every 10 years to once every 100 years. The water supply guarantee rate will be improved by 10 percentage points in Dujiangyan areas.

它位于岷江进入成都平原的入口处，它的建设使下游成都平原的防洪标准由10年一遇提高到100年一遇，都江堰灌区供水保证率提高10个百分点，对四川省经济发展具有十分重要的作用。

The construction of this project will raise the flood prevention standard, in the down stream Chengdu plain, from the flood that can be seen once every 10 years to once every 100 years. The water supply guarantee rate will be improved by 10 percentage points in Dujiangyan areas. That is of significance to the economic development of Sichuan province.

它位于岷江进入成都平原的入口处，它的建设使下游成都平原的防洪标准由10年一遇提高到100年一遇，都江堰灌区供水保证率提高10个百分点，对四川省经济发展具有十分重要的作用；成都网站建设3六六版权申明：本站成都网站建设3六六文章均来自网络。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。