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From late 1970s,Chinese technological staff began to do deep research on the issue of population control and achieved a lot of researching results at three levels: population database , technology and soft ware of population analysis, the informational system of population management, the surporting system of population strategy and population forecast and software are at practical research level; the system control theory of nonlinear population distribution parameter in this article is of basic research.

从七十年代末，我国科学技术工作者开始对我国人口控制问题进行了深入的研究，分别从三个层面取得了许多研究成果：人口数据库、人口分析技术和软件、人口管理信息系统、人口决策支持系统、人口预测和软件等，属于应用研究层面；人口系统论和人口控制论等属于应用基础研究层面；而本文的非线性人口分布参数系统控制理论，则属于基础研究。

According to the method of aircraft system simulation, the control law is validated by simulation based on the population parameter equation of motion of an aircraft. The results indicate that the control law can meet the requests of the UAV, which are safe launch, stable climb, steady fight along the designated altitude and heading holding certain attitude. And then, the UAV can fly following the scheduled fairway.

利用飞机系统仿真的方法，采用飞机全量扰动运动方程对该型无人机飞行控制系统的控制律进行了仿真验证，结果表明，文中所设计的该型无人机飞行控制系统的控制律可以实现该无人机安全发射、稳定爬升、高度稳定、姿态稳定、航向稳定的要求，进而可以实现无人机按预定航路的飞行。

For example, 180 degree vector control with position sensor is a high efficiency control method.

采用瑞萨微控制器对提高系统效率有何帮助？

In many control applications, the valve control valve positioner is one of the most important accessories.

在众多的控制应用场合中，阀门定位器是调节阀最重要的附件之一。

In order to control potato late blight effectively, the authors researched and analyzed the status,problems and methods on the integrated control of potato late blight in Weichang County, which is one of the most important potato growing area in China,on the basis of nature advantage,production advantage and technology advantage of the county.

为了有效地防治马铃薯晚疫病，利用全国马铃薯重点基地县———河北省围场县马铃薯晚疫病综合防治方面的自然优势、规模优势和技术优势，分析了该县马铃薯晚疫病综合防治的现状、存在的问题及应采取的对策，从实践中总结了一套较为有效的马铃薯晚疫病综合防治技术。

Fuzzy identification and control theory have great potential in solving control of complex system.

模糊辨识与控制理论在解决复杂系统控制问题的过程中表现出巨大的潜力。

A set of power equipment monitoring and control system based on WebAccess is designed in this paper, which is used to monitor and control equipment running status.

针对某企业动力设备的监控要求，设计了一套基于WebAccess的动力设备监控系统，实现对全厂动力设备运行状态的在线监控。

The simulation results show that a better control effect can be obtained when using the bilinear control of the nuclear reactor power adjustment system.

仿真结果表明，用双线性控制技术实现核反应堆功率调节系统的控制，可以得到更好的控制效果。

The concept of unity power factor can also be applied to the control of series active power filter. And the control method is provided.

本文还将单位功率因数的概念引入串联型有源电力滤波器的控制中，提出了串联型有源电力滤波器的控制技术。

Power control is the basic control strategy of the electric power steering and determines characteristics of the electric power steering.

着重讨论了电动助力控制的一般过程、电动机目标电流的决策方法、电动机电流的控制策略等问题。

Although translator has turned from being a crystal ball by which the original culture can unrestrainedly penetrate to another crystal ball by which the target culture can freely traverse, the translator's personal embodiment, in the process of cognitive act, are still absent in translation studies. Translators are still subjects without body or simply disembodied subjects.

译者虽然由原语文化可以自由穿透的玻璃球变成了译语文化可以自由穿越的玻璃球，但译者认知过程中的个体体验在翻译研究中依然缺席，译者依然仅仅是一个没有躯体体验的主体。

Chillingly, he claimed our technology is 'not nearly as sophisticated' as theirs and "had they been hostile", he warned 'we would be been gone by now'.

令人毛骨悚然的，他声称我们的技术是'并不那么复杂，像他们一样，和"如果他们敌意"，他警告说，'我们将现在已经过去了。