We might as well give up on optical astronomy and go with radio astronomy.
我们还是可能放弃光学天文学，选择无线电天文学。
In astronomy, in optical astronomy, we cannot measure the period or the frequency of optical light.
在天文学中，在光学天文学中，我们不能测量周期或者可见光的频率。
In optical astronomy, using a telescope and observing the stars that way, we rely on visible light waves.
在光学天文学中，在用望远镜观察恒星时，我们依靠的是可见光波。
Optical astronomy is most directly affected, for although interstellar gas is perfectly transparent, the dust is not.
光学天文学受到最直接的影响，因为虽然星际气体是完全透明的，但尘埃却不是。
Gaomeigu in Li Jiang was finally chosen for the new site of ground based optical astronomy.
丽江高美古最终被选择作为未来中国地基天文光学观测的新址点。
In astronomy, in optical astronomy we cannot measure the period or the frequency of optical light.
在天文学中，在光学天文学中我们，不能测量周期或者，可见光的频率。
This course explores the detection and measurement of radio and optical signals encountered in communications, astronomy, remote sensing, instrumentation, and radar.
这一门课程是探讨在通信、天文、遥测（遥感）、仪器与雷达上的射频信号与光信号的检测与度量。
This course explores the detection and measurement of radio and optical signals encountered in communications, astronomy, remote sensing, instrumentation, and radar.
这一门课程是探讨在通信、天文、遥测（遥感）、仪器与雷达上的射频信号与光信号的检测与度量。
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