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关注：1
2013-05-23 12:21
求翻译：On the average, the difference in initial mobilized vibration level (at near distance) for most frequencies is about 10-15 dB for the x, y, and z directions, and the difference is at 5-10 dB even if the distance reaches 100 m.是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
On the average, the difference in initial mobilized vibration level (at near distance) for most frequencies is about 10-15 dB for the x, y, and z directions, and the difference is at 5-10 dB even if the distance reaches 100 m.
问题补充： |
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