特殊用法astatic gravimeter1.助动重力仪,【工】无定向重差计astatized gravimeter1.无定向重力计gas gravimeter1.气体重力仪laser gravimeter1.激光重差计laser absolute gravimeter1.激光绝对重力计spring gravimeter1.弹簧重力仪static gravimeter1.静力重力仪zero-length spring gravimeter1.零-长弹簧重力仪