This technology USES nonlinear optical crystals for the frequency conversion of laser light.

这项技术把非线性的视觉的水晶用于镭射光的频率变换。

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This technology USES nonlinear optical crystals for the frequency conversion of laser light.

这项技术把非线性的视觉的水晶用于镭射光的频率变换。

youdao