How to reduce beam width distortion?

题库:船长 类型:最佳选择题 时间:2019-02-14 17:22:46 免费下载:《甲类船长英语考证》Word试卷

How to reduce beam width distortion?
A.Adjust centre position
B.Adjust brilliance
C.Adjust heading marker
D.Reduce gain

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