parallel heading 中文意思是什麼
parallel heading
解釋
平行平巷-
Starting from an altitude of no less than twenty ( 20 ) meters and on a heading parallel to the flight line, start your autorotation
機頭保持與航道平行，且高度不得低於20公尺，開始執行熄火降落。 -
Starting from an altitude of no less than twenty ( 20 ) meters, and on a heading parallel to the flight line, and to the pilot right start your autorotation
機頭保持與航道平行，且高度不得低於20公尺，朝操控者的右側開始執行熄火降落。 -
Starting from an altitude of no less than twenty ( 20 ) meters and on a heading parallel to the flight line, with the helicopter inverted and to the pilot right, start your autorotation
機頭保持與航道平行，且高度不得低於20公尺，直升機保持倒飛姿態，向操控者的右側開始執行熄火降落。 -
Radar echoes include echoes of lands, islands, all kinds of moving targets, racon, sart and sea, etc. arpa marks consist of fixed range marker, variable range marker, electronic bearing line, guard zone, heading - line, parallel index ( 4 navigation lines ), vector lines ( or pad ) and past track information of tracked target ships, marks of trial manoeuvres, ect
雷達回波包括陸地、島嶼回波，各種活動目標的回波，雷康、 sart回波，海雜波等。 arpa符號包括包括固定距標圈、活動距標圈、電子方位線、警戒圈、船首線、 pi線、已錄取目標的矢量線以及歷史航跡（或pad ） 、試操船符號等。 -
Economic compartison of series and parallel ventilation in mine heading face
礦井採掘工作面串並聯通風的經濟比較 -
The article points out some questions about title heading in traditional entry, analyzes the additional title heading and the parallel title heading, and brings up some viewpoints about it
摘要從讀者檢索的角度出發，指出傳統款目著錄中題名標目存在的問題，對副題名標目和並列題名標目進行分析，最後提出自己的觀點。
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