当陀螺旋转时，他看起来很好看。
陀螺旋转起来的时候，看上去漂亮极了。
当热忱的螺旋转错方向时，不妨回顾一下你的记事簿。
To give your enthusiasm a push in the right direction, refer to your notebook when the spiral is collapsing in on itself.
陀螺旋转。
试验表明：该模型可有效控制螺旋转子的成型质量和成型效率。
The molding test shows that the mathematic model can control effectively the quality and efficiency of helix rotor molding.
螺旋转子的加工一般是在普通铣床上采用成形刀及配挂齿轮的方法加工而成。
Helical rotor is usually machined by shaped tools or equipped gears in common milling machine.
这种转向系统主要由圆筒式壳体、定位器、螺旋转套、斜向器和造斜组合钻具等组成。
The new whipstock system is mainly comprised of cylindrical case, localizer, spiral rotating sleeve, whipstock and deflecting tools.
螺旋转子是转子流量仪表中的心脏零部件，其截面形状一般由渐开线和摆线组合而成。
Helical rotor is the most important part of rotor flow meter, and its section shape is normally formed by involute and cycloid.
螺旋转子制造技术是各种螺旋杆机械如螺旋杆钻具、螺旋泵等设备制造中的一项关键技术。
The technology of manufacture about helical rotor is vital to the manufacture of various helical poles, such as helic-borer and helic-pump.
构造了双螺旋转子几何特性数字化设计软件方案，实现了双螺旋转子几何特性的自动计算与输出。
Digital design software scheme of the geometry character is set up, and automatic calculation and output of the geometry character of the twin - helical rotors is implemented.
开展双螺旋转子数字化设计方法与技术的研究，有助于大幅度提升螺旋转子的设计质量、水平和效率。
Through studies on the digital design methodology and technology of the twin-helical rotors, the design quality, level and efficiency of the helical rotors can be greatly improved.
较为详细地描述了螺旋转子的三维可视化自动建模实现方案，对转子端面型线和扫描螺旋线的生成原理进行了深入分析。
The implement scheme of the automatic modeling is described in detail, and the generation principles of the rotor profile and the scanning helix are analyzed deeply.
随着低沉的隆隆声，螺旋桨开始旋转起来。
With a low-pitched rumbling noise, the propeller began to rotate.
如果许多这样的链是在一个不同的旋转星系中产生的，那么恒星的分布将类似于在螺旋星系中观察到的分布。
If many such chains were created in a differentially rotating galaxy, the distribution of stars would resemble the observed distribution in a spiral galaxy.
与老式螺旋桨发动机的叶片不同，这些叶片在发动机的后部旋转。
Unlike the blades on old-fashioned propeller engines, these blades spin around at the back of the engine.
一个技术难题是气穴现象，一旦发生气穴现象，位于旋转螺旋桨叶后方的低压会产生气泡。
One technical difficulty is cavitation, where low pressure behind a turning blade causes air bubbles.
这种以每秒数百公里的速度旋转的运动，可能会使圆盘上的物质呈现出螺旋形状。
This spinning motion, at speeds of hundreds of kilometers per second, may cause matter in the disk to take on a spiral shape.
它是一个非常寒酸的旋转玩具，上面还有一个在风吹螺旋桨时候就会砍木头的小人。
It is a very tacky whirligig with a little man who chops wood as the wind blows the propeller.
结果细菌进化出独特的游泳方式：使用叫做鞭毛的像螺旋开瓶器的微型旋转马达。
As a result, bacteria have developed a unique way of swimming: using tiny rotary motors called flagella, which resemble corkscrews.
肢体通过这种螺旋纹的旋转受到肌肉的控制，科学家今日已于科学在线报道了这一成果。
Muscles control how much the leg can turn on the screw threads, the researchers report online today in Science.
这时你右手螺旋形旋转-,从你们坐着的位置来看-,是逆时针方向。
When you do that, you rotate your corkscrew-- seen from where you're sitting-- counterclockwise.
方舟天使使用的引擎是反向旋转的螺旋桨驱动的电动马达，安装在船体下的分离舱中。
The engines used by Ark Angel are electric motors driving counter-rotating propellers, mounted in pods below the hull.
螺旋推进器快速旋转，生成必要的上升力，使平台升起。
The spinning of the propellers generates the necessary lift, or upward force, to raise the platform.
然而，结果是朝着银河系的北极，大多数螺旋星系是逆时针旋转，也就是说，他们都是朝着右方的。
However, it turned out that towards the North Pole of the Milky Way counterclockwise rotation among spiral galaxies is dominant, that is, they are oriented in the right direction.
旋转偏振光被他们用来筛选左手性和右手性分子，这种光的电场以左手或右手螺旋形式在空间旋进。
They sort left from right versions using circularly polarised light, whose electric field corkscrews through space in a left or right-handed direction.
德国人在1954年发明的旋转嵌入式螺旋与“好”天气一起帮助德国队在这一年的世界杯中3：2击败匈牙利，创造了永载史册的“伯尔尼奇迹”，阿迪达斯也因此一战成名。
Legend has it that this German innovation alongside with “good” weather helped Germany to it’s most important sports victory of all time: the 3-2 against Hungary in the final of the 1954 World Cup .
每秒几百公里的旋转速度可能使圆盘里的物质呈现象宇宙玩具风车一样独特的螺旋形。
This spinning motion, at speeds of hundreds of kilometers per second, may cause matter in the disk to take on a distinctive spiral shape like a cosmic pinwheel.
克里克见过富兰克林的B型照片，立即发现DNA包含反向旋转的两个并列螺旋列或叫扭曲链。
Crick, who saw a photo only of Dr. Franklin's B form, immediately recognized that DNA consisted of two parallel helixes, or twisted chains, running in opposite directions.
螺旋桨的叶片在奋力地旋转以便让我们停留在空中。
螺旋桨的叶片在奋力地旋转以便让我们停留在空中。
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