动的

Discusses the dynamic theorem of mass system relative to centre of mass moving in a plane.

论述了质点系相对于随质心一起作平动的座标系的动力学规律。

Chaotic attitude motion and its control of a magnetic rigid spacecraft in an arbitrary circular orbit round the earth are investigated.

研究在地球万有引力场和磁场中具有结构内阻尼的磁性刚体航天器在圆轨道上平面天平动的混沌行为及其控制。

Although it was just sitting there on the studio floor, this brown clay model looked like it was moving.

虽然它只不过是停放在设计室地板上的泥塑模型，但那东西看起来是在动的。

The sound of a boot scraping against cold stone.

那是靴子与石头摩擦的声音，还有斗篷拂动的声音。

In about 1510 Copernicus suggested that the sun was stationary and that the earth revolved about the sun.

在大约1510年，哥白尼提出太阳是不动的并且地球是围绕太阳旋转的。

The complete reentry circuit of common-type atrial flutter and relationship of crista teminalis and AFL are not clear.The two studies were perfomed by using the electroanatomical mapping system.

普通型心房扑动的完整折返环路以及界嵴和AFL的关系仍不太清楚，笔者应用电解剖标测系统执行两项研究。

We have gaven a method of the discretization of fuzzy clustering methods based on perturbation.

给出了一种基于摄动的模糊聚类的属性离散化方法。

Duckweed, the world's smallest flowering plant, grows on the surface of still or slow-moving water.

浮萍，世界上最小的开花植物，一般在平静或缓动的水面生长。

If your earlobe in a coherent fold, most likely caused by coronary artery hardening.

在同一环境里生活的人，经常坐着不动的，患冠心病比经常活动者高出2倍。

Chaos and its control in the planar libration of a magnetic rigid spacecraft with internal damping in an elliptic orbit are investigated.

研究在具有内阻尼的磁性刚体航天器在椭圆轨道上平面天平动的混沌及其控制。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。