转动

Unfasten the Decl. clamp and turn the optical tube until it is nearly at right angles to the polar axis. If you do not do this, the polar axis scope will be shaded with the Decl. axis and can not be used.

松开赤纬制动钮并转动望远镜镜筒直到它与极轴镜的角度接近直角，如果你不如此做，极轴望远镜将被赤纬轴遮挡而无法使用。

The screen may be coated with a chemical (which may reduce its brightness), covered with a polarizing filter, or simply rotated so that external light is not reflected into the user's eyes.

屏幕可以通过覆盖化学物质，加偏振过滤器或简单地转动位置来避免反射光进入用户眼中。

Polyoxymethylene isone of five engineering plastics which has excellent combined properties, especiallyexcellent friction behavior, therefore widely be applied in rotation parts of mechanical,electric motors, electric appliance accessories.

聚甲醛是五大工程塑料之一，综合性能优异，尤其是摩擦磨耗性能优良，因此最适用于作机械、电动机、电子电器用零件的转动部位材料。

Portentously, the engines began to roll.

令人诧异的是，发动机开始转动了。

While the count, with greater and greater expenditure of energy, enchanted the spectators by the unexpectedness of the nimble pirouettes and capers of his supple legs, Marya Dmitryevna with the slightest effort in the movement of her shoulders or curving of her arms, when they turned or marked the time with their feet, produced no less impression from the contrast, which everyone appreciated, with her portliness and her habitual severity of demeanour.

如果认为，伯爵跳得越来越痛快，他那出乎意料的灵活转动和脚步从容的轻盈跳跃会使观众心神向往，那末，玛丽亚德米特里耶夫娜在转身或踏拍子时，肩膀一动或者手臂一卷曲，就可轻而易举地产生同样良好的印象；虽然她的身躯过分地肥胖，态度素来严厉，每个观众仍然赞赏不已。

Proceeding from the general formula of the input torque of the spatial mechanism, a new method is advanced to decompose the position vector of the mass-center of the link, according to the characteristics of the adjacent coordinate axes of the mechanism.

本文运用对运动杆的质量和中心主转动惯量等效替代的原则，新提出了一种适用于以附加平衡重法对复杂的空间机构震动力矩公式进行优化平衡的简化方法。

He had also wanted power- loom s to work, but after all his travail only one little country towel was born, and then the loom stopped

他也想使动力织机运转，但在他的种种艰苦努力之后，织机只生产了一小块土里土气的毛巾就停止转动。

Its rotational energy will add to the linear energy that creates most of the power in the stroke.

几乎所有击球的力量都来源于这转动的力量和刚才向前的力量。

The engine cycle has only one power stroke where the piston is actually driving the crankshaft.

飞轮发动机的一个工作循环中只有一个做功冲程是真正驱动曲轴转动的。

A prawn has a pair of eyes which can move around.

虾有一双能转动的眼睛。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。