双语例句
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Low banks of earth in the field turn it into many square sections.
田里的地埂把这片农田分成了很多正方形小块。
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Based on theoretical analysis of stepped bending vibration boring bars, the frequency equation of a stepped bending vibration boring bar with circular and square sections is established.
通过对阶梯式弯曲振动镗刀杆的理论分析，推导出了圆形截面和矩形截面组合的阶梯弯曲振动镗刀杆的频率方程，并对阶梯弯曲振动镗刀杆进行了试验研究。
应用推荐
$firstVoiceSent
- 来自原声例句