This peper introduces the new method about variable pressure and variable current control of water pump in the process of cities water supply.

提供了城市供水水泵的变压变流量自动控制方法，成功地解决了水源地和地区加压站昼夜之间水流量和水压变化大、难以控制的问题。

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The method of instantaneous value comparison for source current control of unity power factor rectifier possesses advantages of simplicity as well as valid restriction for maximum switching frequency.

在单位功率因数整流器中，利用瞬时值比较法来控制电源电流，不但控制简单，还可有效限制器件的最高开关频率。

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Because of current control policies, 30% of home buyers have turned their attention from the domestic market to overseas.

由于现行的控制政策，30%的购房者把他们的注意力从国内市场转向海外市场。

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Current efforts in malaria control are mainly based on the use of insecticide sprays and treated bed nets.

VOA: special.2009.12.22

The British Health Secretary Alan Milburn said the current system of control through licences needed to be strengthened by law "to ensure that genetic advances are used for good rather than for evil".

CNN: Britain to ban human cloning

He said the current sharing of a control room had proved the two services can work together.

BBC: Cambridgeshire and Suffolk fire service merger on hold

The notion that the purpose of policy is to reduce risk carries bizarre moral connotations as critics of the current crop of gun control rhetoric have pointed out.

FORBES: Dangerous Rhetoric Damages Obama's Gun Control Proposal Package