This research, regards Dawen river in semi-humid region as example, has put forward water pollution control projects and aquatic ecological environment restoration measurements.

本文以半湿润地区大汶河流域为例，研究提出水污染控制方案和水生态环境恢复的措施。

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This paper is concerned with semi-active control of vertical vibration for continuous beam by variable dampers and puts forward the semi-active control law based on the sliding mode theory.

利用可变阻尼器对连续梁桥的竖向振动进行半主动控制，提出基于滑动模式理论的控制算法，并以实例加以说明。

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With regard to semi-active control algorithm, a LQR semi-active method, which is based upon classical LQR theory, is put forward in seismie vibration control of Hefei TV tower.

在半主动控制策略方面，运用了两种控制策略：一种是基于最优控制理论的LQR半主动控制策略，另一种是基于局部反馈的模糊半主动控制策略。

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