N a tunnel dug to defeat similar activities by an enemy 反地道 [军事]
V to frustrate by countermeasures 以反措施挫败
Therefore, how to enhance the transportation performance of the system is closely related to the scheme adopted for countermining the channel multi-path effect.
因此，如何提高系统的传输性能和采用何种方案对抗信道的多径效应是很有关系的。
Conclusion Whole body vibration is effective in countermining bone loss. It has a broad prospect in treating osteoporosis and counteracting bone loss caused by weightlessness.
结论振动对抗骨丢失的方法切实有效，此方法在治疗骨质疏松症和对抗失重产生骨丢失方面有广阔的应用前景。
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