平击 meaning in English

flat
wood

If you play it flat , it also skids through . if you slice it , it stays low
这样的球如果你选择平击的话，它会快速下沉。
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打法:右手东方式握拍，反手以双手平击为主
In conjunction with force plates that helped to measure the ground reaction force ( grf ) and worked out the center of pressure ( cop ) , a motion analysis system was used to discover the 3 - d kinematic changes of the ankle , knee , hip , pelvis and trunk in the overall serving motion in the study
研究结果发现，平击和上旋发球最主要差异在于上旋发球较平击发球产生更多侧屈力矩，而此力矩的产生最主要的贡献来自于身体躯干的侧屈。