The coupling efficiency of laser with semiconductor power amplification, output power of laser with semiconductor power amplification and operating lifetime have been improved.

提高了半导体功率放大激光器的光耦合效率以及输出的光功率。

youdao

This would be a one in a lifetime finding in the operating room.

这样的发现是在手术室里一辈子才碰得上一次的。

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Together with the advanced planar cell design of the IGBT and the sophisticated lifetime engineering of the diode, this chip set offers an unprecedented safe operating area.

先进的IGBT平面元胞设计同二极管精密的寿命控制工程相结合，这样的芯片就具备了崭新的安全工作区。

youdao

This would be well within the operating lifetime of any nuclear plants, even if we took the decision to start building them today.

ECONOMIST: Letters | The