“null term”的概念、定义、翻译、参考文献-科学参考

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单词	null term
释义	null term 空项
随便看	leading chain leading character leading coefficient leading control leading crank leading crop leading current leading decision leading diabolo roller leading diagonal leading dimension leading edge leading edge flap leading-edge locus leading-edge overshoot leading-edge pulse time leading edge septum leading edge slat leading edge time leading edge tracking (电视对目标) leading effect leading electrode leading end leading-end acceleration leading-end clamp