The green-emitting laser diode offers a number of compelling advantages compared to an equivalent green-output second harmonic generation (SHG) device.

绿色发光二极管激光器提供了绝对优势相比，同等绿色输出二次谐波产生(倍频)设备。

youdao

Tu, Mayquez, "green second-generation" in the school storage room, you need to first go to see if you can, a, nd Jenny!

恩，迈克斯，“环保二代”在学校的储藏室里，您需要的话可以和詹尼先去看看！

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Older, second-generation applications where prices for the finished goods already are falling anyway the green-tech equivalent of a mid-range t-shirt.

WSJ: Business Asia: Postcards From the Rare-Earth Front