inertial
/ɪˈnɜːʃjəl/adjective
1- chiefly Physics of, relating to, or arising from inertia【主物理】（与）惯性（有关）的; 由惯性引发的。
1.1
- (of navigation or guidance) depending on internal instruments which measure a craft's acceleration and compare the calculated position with stored data（导航, 制导）惯性的。
1.2
- (of a frame of reference) in which bodies continue at rest or in uniform straight motion unless acted on by a force（参照系）惯性的。