这架飞机向下旋冲后坠毁。
它们中的一些可能是顺时针旋转的，在这种情况下，根据右手定则，我们认为它们是向下旋转的。
Some of them might be spinning clockwise, in which case, according to the right-hand rule we would consider them spin-down.
你在学习发反手上旋球和下旋球。
慢慢地把手掌朝下旋转直到感到拉力。
下旋转选项卡上，您会看到表面的选择。
Underneath the Revolve tab, you will see the Surface Options.
混流式水轮机转轮是重要的水下旋转部件。
The Francis turbine runner is an important running part of under water.
第三板以抢攻下旋、上旋转攻和摆短为主。
The third board to sights on the next spin, the spin attack and put short-based.
她看起来似乎是在葡萄酒的魅力之下旋转着。
我们来听辨一下旋律。
研究了助磨剂作用下旋窑熟料的微细化过程。
The size reduction process of rotary kiln clinker with grinding aids was studied.
在打高尔夫球、网球、曲棍球时用下旋手法击球。
To cut or slice (a ball) with an underarm stroke, as in tennis.
他擅长打下旋球。
灯头旋转范围：左右旋转360度，上下旋转180度。
Rotating head range: about 360 degree rotation, upper and lower 180 degree rotation.
本文分析了在巨分子云聚合形成机制下旋臂扰动的影响。
The effect of spiral arm perturbation on the aggregation formation of giant molecular clouds (GMCs) is analyzed in this paper.
他打算下午检修一下旋转碎土器以便为春天的园艺工作做准备。
He planned to spend the afternoon tuning up his rototiller to get ready for spring gardening.
压力调节时，在转动旋钮前请先拉起再旋转，压下旋转钮为定位。
Pressure regulator, in turn the knob and then pull up before the first rotation, rotate the knob depressed for the position.
你日以继夜受着罪恶不停的攻击，你的心在罪恶的影响之下旋转。
You are constantly bombarded by evil-day in, day out. Your soul reels under evil's impact.
对不同温度条件下旋风分离器的压力损失和分离效率进行了数值研究。
The pressure loss and separation efficiency under various temperature conditions of cyclones has been numerically studied.
控制：使用左遥杆完成球的上旋和下旋来玩出创造性地控球和舒适的射门。
Set plays: use the left analog stick to apply topspin or backspin to the ball for more creative set plays and finesse shots.
发球方法包括，反手上旋球和下旋球，正手上旋球和下旋球。和高抛发球。
Services include the backhand topspin and backspin serves, the forehand topspin and backspin serves, and the high toss service.
发球方法包括，反手上旋球和下旋球，正手上旋球和下旋球。和高抛发球。
Services include the backhand topspin and backspin serves the forehand topspin and backspin serves and the high toss service.
他们只要拧一下旋钮，就能看到各种戏剧和表演，更不用说最新的新闻节目了。
All they have to do is to turn a knob, and they can see plays and shows of every kind, not to mention the latest current events.
调整Nest恒温器的温度非常容易：只需将恒温器的外圈向上或向下旋转即可。
Adjusting the Nest thermostat is easy: you simply rotate the outer ring up or down.
本发明涉及陶瓷滚压成型工艺，特别是一种陶瓷非圆形制品下旋阻滚压成型工艺。
The present invention relates to ceramic rolling shape technique particular to downside rotation block rolling shape technique for ceramic non-circular product.
研究发现：旋风分离器的中心为向上旋转的强制涡，外部为向下旋转的准自由涡。
It is found that: the center of the cyclone separation is a forced upward rotation vortex; the external is a quasi-free downward rotation vortex.
负场比赛接发球以摆短为主，第三板以抢攻下旋和上旋转攻为主，而抢攻下旋得分效果良好。
Negative match the return of serve to put a short-based, the third board to sights on the next spin and spin attack on the main, while the inroads backspin score good results.
负场比赛接发球以摆短为主，第三板以抢攻下旋和上旋转攻为主，而抢攻下旋得分效果良好。
Negative match the return of serve to put a short-based, the third board to sights on the next spin and spin attack on the main, while the inroads backspin score good results.
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