我怎么能旋转的形状在一个矩阵c 90度吗？
这些卫星处在平稳旋转的地球上空，几乎可以对全球的所有地区进行稳定的扫描，因此能很好地完成气象观察、通讯以及其它任务。
Such satellites—maintaining their steady sweeps as the earth revolves beneath them—cover all parts of the globe and hence are ideal for weather observation, communications and other tasks.
衣物装在球里，这个球能各个方向旋转把衣服洗得超干净，而从外表看上去就像家里的一件很酷的理想主义艺术品。
The interior ball holds the clothing and swirls around in all directions to provide a superior clean while the exterior sits in your home looking like a fascinating piece of futuristic art.
楼层间的太阳能电池板和横向风轮机将产生能使之旋转的动力。
Solar panels and horizontal wind turbines between the floors would generate the power needed to turn it.
课堂上我们已经看到,怎样在物体旋转时,将机械能,转化成电能的，演示例子。
We have already seen a demonstration in class whereby we converted mechanical energy when someone was rotating, into electric energy.
它们将旋转的机械能，转化成磁能，这不是801的部分1，所以我不会讲怎么做。
So they convert mechanical energy of rotation to magnetic energy, 1 which is not part of 801 so I will not go into how they do that.
它显示出一种环球飞行的幻想。在清晨和下午有强力的推动力，让他能跟随太阳旋转。
And it gave the illusion of flying round the world since, with a couple of hefty shoves morning and afternoon, it could be made to revolve and follow the sun.
风能，能被用来旋转磁体来发电的能量，随风速的立方而变化。
Wind’s power — energy which can be used to do work like spinning magnets to generate electricity — varies with the cube of its speed.
另外，他们还补充一些富含钾、镁元素的流食，能帮助他们克服在旋转升井的“凤凰号”胶囊救生舱内的眩晕恶心感。
In addition, they also add some rich in potassium, magnesium liquid, can help them to overcome in the rotating shaft of the "phoenix" capsule lifesaving cabin vertigo nausea.
然而每个人都被陷在这个旋转的车轮里了，陷在这个剥削的体系里了，我们等待着，希望奇迹能发生，一个新体系能因此而形成。
And yet each one is caught up in this wheel, in this system of exploitation, and we are waiting and hoping that by some miracle a new system will come into being.
这间房子，是由内华达州3sixtyTechnology的Henderson所设计(Johnstone是这里的主管)，并由该房子附近的名称相匹配的MountainHelix(螺旋)公司所建造，一小时能完整的旋转一次。
Their house, designed by 3sixty Technology of Henderson, Nevada (of which Mr Johnstone is a director) and built in the aptly named neighbourhood of Mountain Helix, revolves completely, once an hour.
最初的方案包括一个太阳能电池板方案、一个可以360度旋转的第二屏幕方案、以及一个可以连接键盘和游戏手柄的模块化设计。
Initial proposals have included a solar-panel case, a second screen that can rotate 360 degrees, and a modular design to connect with keyboards and games controllers.
这活动视界周围旋转的区域是所谓的能层而具有椭圆形。
This spinning area surrounding the event horizon is called the ergosphere and has an ellipsoidal shape.
你怎样能确定你的立体图形旋转以后还是不同的？
How can you make sure that your cuboids are not the same if rotated?
立面玻璃幕墙上的横向线条为太阳能板，并且可以根据太阳角度的变化自动旋转。
The lines on the façade are sun-shading solar panels. They can automatically rotate to open or close according to the sunshine.
旋转传输电化学刺激，运动的质子产生化学能。
The rotation converts an electrochemical stimulus - the movement of protons - into chemical energy.
装在顶部的可旋转爆能炮有一个炮手座位，最适合第三名克隆人士兵操作，他坐在步行机的装甲舱外面。
The top-mounted swivel blaster has a gunner's saddle, and is best operated by a third clone trooper, seated outside the walker's armored cabin.
发电机发电机是把(旋转)机械能转化为电能的装置。
Generator a generator is a machine which converts rotating mechanical energy into electrical energy.
扳动电动机的转轴是否能自由旋转，测量定子和轴承的空隙。
Turn the electric motor shaft if it rotates freely, Measure the air gap between the stator and the rotor.
当需要更强火力时，ARC穿上专用盔甲去承担四联装往复式爆能枪、PLX - 1便携式飞弹发射器或者Z - 6旋转爆能炮的重量。
When heavier firepower was required, ARCs donned specialized armor to bear the weight of reciprocating quad blasters, PLX-1 portable missile launchers, or Z-6 rotary blaster cannons.
屋顶的形状也试图使面向东南的建筑朝向一致：屋顶抬高旋转面向正南方，有益于太阳能光伏电池板。
The form of the roof attempts to reconcile the orientation of the building that faces South East: the roof is lifted up and twisted around to face due South allowing solar PV panels to benefit.
控制电动机的转矩和转速，将电能转换成机械能，实现机械的旋转运动或反复运动。
By control the electric motor's torque and rotational speed, electric energy will be changed into mechanical energy, then mechanical rotary motion and repeated movement are realized.
实验证明，该方法具有良好的平移、缩放、旋转和镜像不变性，得到的检索结果能很好地符合人的视觉感受。
Experiment results show that this method can keep good invariance under translation, rotation, scale and mirror, and the retrieved results match human visual perception very well.
再者，空竹的轮缘上有气孔，旋转起来能发出嗡嗡的声音，而迪亚波罗是没有声音的。
So when you spin one fast enough, it produces a buzzing sound through its grooves whereas the diabolo does not make sound.
这种方法是通过一光学变换传输系统使激光束能绕一定的半径旋转，旋转的激光束去扫描消融超导靶材来淀积大面积超导薄膜。
Using a optical transmission system to make the laser beam to scan on the superconducting target with different radii rotation and to ablate it for depositing large area superconducting films.
结果表明，旋转导向管能改善物料的运动特性，并能改变物料落在环形区时的分布。
The results show that the rotating draft tube can improve the movement of particles and change the distribution of particle in the annular.
结果表明，旋转导向管能改善物料的运动特性，并能改变物料落在环形区时的分布。
The results show that the rotating draft tube can improve the movement of particles and change the distribution of particle in the annular.
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