“back range”的概念、定义、翻译、参考文献-科学参考

单词	back range
释义	back range [`bak ´ranj] ^NAVIGATION A range (distance) measured astern, particularly one used as guidance for a craft moving away from the objects from which the distance information was deduced, forming the range.
随便看	fixed artillery fixed attenuator fixed-base index fixed-bed hydroforming fixed-bed operation fixed bias fixed-bias transistor circuit fixed-block fixed bridge fixed capacitor fixed carbon fixed-charge problem fixed contact fixed cost fixed-cycle operation fixed disk fixed echo fixed-electrode method fixed emplacement fixed end fixed-end beam fixed-end column fixed end moment fixed-feed grinding fixed field

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