inertialessadj.无惯性的inertian.惯性；惰性inertial wave diffuses惯性波传播Inertial Timing Switch惯性定时开关Inertial Start Command惯性启动指令inertia-clock system惯性钟表Inertial Measuring Set惯性测量装置inertialess deflection无惯性偏转Inertial Unit Assembly惯性部件装置Inertia time-varying惯量时变Inertial Reference Unit惯性参考装置inertial pulse response惯性脉冲响应