Analytic network process in urban green space optimization; Evaluation system of urban green space current status in Foshan City;

网络分析法在城市绿网优化中的应用；

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The operating principle of space vector pulse width modulation (SVPWM) is first described, and then the proposed self-tuning space current vector PWM (STPWM) technique is introduced.

首先介绍空间向量脉宽调变技术的基本原理，接著说明所设计的可自我调整参数之空间向量电流控制技术（STPWM）。

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Mr.Kelly's brother,Scott Kelly, is the current commander of the International Space Station.

VOA: special.2011.02.09

I've directed Administrator O'Keefe to review all of NASA's current space flight and exploration activities and direct them toward the goals I have outlined.

CNN: Bush: 'It is time for America to take the next steps' in space

While the benefits that the suits may provide are not critical for current space missions, both the MIT group and Dr Locke are thinking longer-term.

BBC: Gravity suit mimics Earth's pull for astronauts

The current space mission is Chris Hadfield's third trip into orbit.

BBC: Astronaut answers Reddit site questions from space