动的

Chaotic planar libration and its control of a magnetic rigid spacecraft with internal damping in an elliptic orbit near the equatorial plane of 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近赤道椭圆轨道上平面天平动的混沌行为及其控制。

"Eyestalk:a movable stalklike structure in certain crustaceans, such as crab s and shrimp, that bears an eye at the tip."

"眼柄：在某些甲壳类动物中，如蟹和虾，末端生有眼睛的可动的柄状结构。"

"Eyestalk:a movable stalklike structure in certain crustaceans, such as crabs and shrimp , that bears an eye at the tip."

"眼柄：在某些甲壳类动物中，如蟹和虾，末端生有眼睛的可动的柄状结构。"

This dynamism is part of the pulse of our times, and so long as we live in a fast-changing world

这种冲劲正是我们时代脉动的一部分，只要我们活在快速变化的世界

Since an analytic function can be arbitrary approximated by a polynomial, the provided methods can be applied to robust stability analysis of polynomial family with general non-linear perturbation parameters.

由于非线性解析函数可用多项式任意逼近，故该方法也可用于具有一般非线性参数摄动的多项式族的鲁棒稳定性分析。

Compared with the computer simulation results, the experimental instrument can demonstrate the multi-frequency harmonic vibrations synthesis very well.

通过与计算机仿真结果的比较，实验仪能够很好地演示多倍频简谐振动的合成。

It describes how the expert teacher of archery draws his bow with a histrionic gesture but does not release the arrow.

18〕这句话引自《孟子·尽心上》，大意是说善于教人射箭的人，引满了弓，却不射出去，只摆着跃跃欲动的姿势。

My youngest son has a problem of hyperactivity.

我最小的儿子有过动的问题。

Hyperactivity of the children afraid of being teased and punished, will try to control his behavior.

多动的孩子害怕被人戏弄和被罚，也会尽量控制自己的行为。

We remain immobile for long periods of time in plane, train or car seats.

在我们待在飞机，火车或汽车座位上的时间段里，很长时候是固定不动的。

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％。