true ground speed 中文意思是什麼
true ground speed
解釋
對地真航速-
The frequencies of the returned beams are compared with them to obtain the true ground speed.
將它們與反回射束作對比而獲得真實的地面速度。 -
True ground speed meter
真地速測速儀 -
True ground speed
對地真航速
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