“heading-upward plan position indicator”的概念、定义、翻译、参考文献-科学参考

单词	heading-upward plan position indicator
释义	heading-upward plan position indicator [¦hed·iŋ `ǝp·wǝrd ¦plan pǝ¦zish·ǝn `ind·ǝ´kād·ǝr] ^ELECTRONICS A plan position indicator in which the heading of the craft appears at the top of the indicator at all times.
随便看	altitude delay altitude difference altitude hole altitude intercept altitude reservation altitude sickness altitude signal altitude tints altitude valve altitude wind tunnel altitudinal vegetation zone ALT key alto altocumulus cloud altostratus cloud altricial ALU alula alum alum cake alum coal alumel alumetized steel clearance angle clearance sector

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