Control villages resembling project villages in terms of population size were randomly selected from an area enclosed by two ellipses centred around, but not including, the project area.
从由两个椭圆围绕封闭而成的区域中随机抽取与项目村庄拥有类似人口规模的对照村庄，但不包括项目区域。
According to the characteristics of the two system of the power plant, the production control area is divided into the control area (safe I area) and the non control area (safe II area).
根据电厂二次系统的特点，生产控制大区被分为控制区(安全I区)和非控制区(安全II区)，各分区包含不同的具体业务。
Wynwood has been able to successfully control the mosquitoes because of aerial spraying of two kinds of mosquito insecticide, but the area should not relax its vigilance.
温伍德之所以能成功控制蚊虫，是通过飞机喷洒两种灭蚊剂的结果，但当地不应放松警惕。
The simulation of the two-area four-machine SVC system verifies that the compound nonlinear controller designed by the proposed method can effectively improve the control ability of SVC system.
并对装设有svc的两区域四机电力系统进行计算机数字仿真，结果表明基于神经网络逆系统方法设计出的复合非线性控制器可以有效地改善SVC控制性能。
Two ways of voltage and reactive power comprehensive regulation of substation are presented in the paper, which are nine-area control and fuzzy control.
介绍了变电站电压无功综合调节的两种方法、区图法控制和模糊控制。
Divides two levels of pumping stations to pressurize, the pipeline water to the mining area, the water source well and the pumping station to use the automatic control.
分两级泵站加压，管道输水至矿区，水源井及加压泵站均采用自动控制。
Leaves of Dicranopteris dichotoma collected from a rare earth ore area and two control areas were separated into ether fractions, water fractions, base fractions and residues.
从稀土矿区和非矿区采集的稀土超量积累植物铁芒萁的叶片分离成醚溶物、水溶物、碱溶物和残余物四个组分。
The results suggest that the temperature and pressure are two crucial factors that control the deformation of rocks and ore-forming process in this area.
阐明了金矿形成时的温压条件是该区岩石的形变-相变及成矿的决定性要素。
The modularize technique is adopted in the design of ATCCAS. The two subsystem ATCCASE and ATCCASW is set up, which are simulated the ATC sector working mode of Xi'an ACC (Area Control Center).
在ATCCAS的设计过程中，采用模块化的方法进行设计，结合管制工作实际，建立了模拟西安分扇区工作的子系统ATCCASE和ATCCASW。
The modularize technique is adopted in the design of ATCCAS. The two subsystem ATCCASE and ATCCASW is set up, which are simulated the ATC sector working mode of Xi'an ACC (Area Control Center).
在ATCCAS的设计过程中，采用模块化的方法进行设计，结合管制工作实际，建立了模拟西安分扇区工作的子系统ATCCASE和ATCCASW。
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