With this Optical Equipment, we are able to distinguish 0.025 micron microwave.
用这台光学仪器，我们可以分辨出0.025微米的微波。
The collimator is an important equipment for optical experiment and standardization.
平行光管是光学实验及计量检测的重要设备。
The collimator is an important equipment for optical experiment and standardization.
平行光管是光学实验及计量检测的重要设备。
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