For instance, it doesn't hold in a reference frame which itself is being accelerated.

例如，它并不在具有，加速度的参考系中成立。

youdao

By contrast, unit shipments have increased slightly over the same time frame (2.6% CAGR), as lower-priced VFD sales have accelerated marginally during this same period.

相比之下，在同一时期，单位出货量略有增加(2.6%的复合年增长率)，因为价格较低的变频器销量同期稍微加速。

youdao

Some concepts such as relative rest reference frame, relative uniform motion reference frame, and relative accelerated motion reference frame was confirmed.

确定了相对静止系、相对匀速运动系、相对加速运动系的概念。

youdao

Then we've just shown here, it's an accelerated frame of reference.

就像这里写的一样,它是个有加速度的参考系

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