Inertia scalars are defined in terms of quantities called inertia vectors . 我们将用惯性矢量来定义惯性标量。
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The use of inertia dyadics enables one to deal with certain topics involving inertia vector and inertia scalars in a basis-independent way . 在处理包含惯性矢量和惯性标量的某些问题时，应用惯性张量则可作到与基无关。
