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- Formulae for checking the strength of propeller with aerofoil and circular back sections are derived on the basis of analysis and empirical data. 根据理?分析法,?合??数据,分别推导出按拉应力或压应力的机翼型、弓型螺旋桨各强度校核公式与?算叶根处厚度公式。
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- We can compute the circular area with radius. 我们能用半径计算出圆的面积。
- The full moon has a circular form. 满月呈圆形。
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- The crowd fell back to let the players through. 人群后退让运动员们通过。
- Do exercise every day and you'll be back in condition. 每天锻炼锻炼，你很快会恢复健康的。
- The ship beat back against a monsoon. 船逆着季风艰难地行驶。
- I'm not satisfied with his circular explanation. 我不满意他拐弯抹角的解释。
- The full moon has a circular shape. 满月呈圆形。
- I flap the flies away but soon they fly back. 我把苍蝇赶走，但一会儿又飞回来了。
- The organization issues a circular every month. 该组织每月发一份通告。
- I never lend books; you never get them back. 我的书决不外借，因为总是有去无回。
- She leaned her head back and whispered the news. 她向后仰着头，小声说出了这个消息。
- The talks have been put back to Friday morning. 谈判推迟到星期五早上进行。
- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
- He hated to tuck his tail and back down now. 他讨厌此时夹着尾巴退回来。
- An instrument that measures circular arcs. 圆弧测定器一种用于测定圆弧的仪器
- After a long coma the sick man slowly came back. 昏睡了好久以后，那个病人慢慢地恢复了活力。
- Back in Nigeria we used to play a lot of tennis. 我们以前在尼日利亚经常打网球。
