To pump energy back into the grid, some of the rotational energy is bled off to power a generator on the main shaft.
把电能又送回电网时，就释放一部分转动的动能，开动位于主轴的发电机。
And there is always a mechanic on stand-by at the back of the car with a power-operated engine starter, ready for instant use if the car stalls.
在赛车尾部总有一个技师手持引擎启动器，随时准备防止赛车熄火。
It is an aerodynamic driven track and you have to have a balance on the braking for you to get a fix on the corner ratio before you get back on the power, so it is quite nice.
这条赛道很仰仗空气动力学，刹车部分需要很好的平衡，让你能够在回到动力前平稳过弯，所以这里很出色。
The power expression by the wind passing through the rotor swept area of back wind direction wind turbine is accurately deduced from energy viewpoint based on wind shear and tower shadow effect.
从风力机获取能量角度出发，充分考虑风剪切与塔影效应，精确推导出作用于下风向风力机风轮扫掠面积上理论风功率的计算式。
A fuse holder is mounted on the back panel and contains a 3 amp fuse to protect the electronics in case of a power problem.
面板背面安装的保险丝固定器包含一个3安的保险丝，可以在电源发生问题时保护电子模块。
Based on rate equations, the laser output characteristic under different fiber length and back-cavity mirrors is studied, and the distribution of pump power and laser power is discussed.
基于激光器速率方程，分析了激光输出与光纤长度、后腔镜的关系，讨论了小功率泵浦时光纤内的功率分布情况。
Oprah Winfrey continues to take over the world. The media mogul is back on top of Forbes' annual "Celebrity 100 Power List".
奥普拉·温芙瑞再次“称雄世界”。这位脱口秀名嘴又一次登上福布斯年度“百位重量级名人排行榜”之首。
The carrier phase shift technique based parallel back-to-back PWM converter is used on the direct-drive wind power system, with a switching frequency as low as 1 kHz.
直驱型风力发电系统需要全功率变流器，在现有器件功率水平以及开关频率等诸多因素制约下，变流器直接并联的方式具备结构简单、模块化设计、易扩展的优点。
The carrier phase shift technique based parallel back-to-back PWM converter is used on the direct-drive wind power system, with a switching frequency as low as 1 kHz.
直驱型风力发电系统需要全功率变流器，在现有器件功率水平以及开关频率等诸多因素制约下，变流器直接并联的方式具备结构简单、模块化设计、易扩展的优点。
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