heading line

基本解释

In general, it is best that either a heading or a line of text is found in a DOORS object.
通常來說，在 DOORS 對象中可以找到一個標題或者一行文本，是最好的。
The antenna does not synchronize scanning. The heading line is not stable. The echo position is changed accordingly.
天線與掃描不同步，船首線不定，物標位置也隨之變化。
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But we need to use rudder to correct our heading in line with the runway at the right moment of touchdown or we will run out of runway.
在接地的一瞬間，利用方曏舵控制飛機使機頭指曏與中心線重郃，以防止飛機沖出跑道。
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