动的

Week 4 Supposition of two vibrations with same frequency and direction, condition generated mechanical wave, dynamic equation of plane harmonic wave.

第4周 同方相同频率的两个简谐振动的合成；机械波产生的条件；平面简谐行波的运动学方程。

Remember the feeling of initiating the movement from your midsection and having your legs react to that.

记住，你的发力点在于身体的中间部分，你的腿是随动的。

Brand-new data piece " the clique that heat up dance is right 2 " in acceded on the foundation of the game mode such as battle of mump, prop, system of transhipment of through cargo of the new fashionable dress that raised flowery specially good effect, dazzle to move, one key and 50 people in all the super ballroom system of dance brand-new game content.

全新资料片《热舞派对2.0》在继续了斗气、道具战等游戏模式的基础上，增加了绚丽的特效、炫动的新时装、一键换装系统以及五十人共舞的超级舞厅系统等全新游戏内容。

Cilia are tiny hair-like structures on the outside of cells that either help move fluid over a stationary cell, such as the cells in your lungs, or serve as a means of propelling a cell through water, as in the single-celled paramecium.

纤毛是细胞外面细小的、形状像毛发似的组织，它可以帮助液体流过一个不动的细胞，例如肺的细胞，或是推动在水中的细胞，例如单细胞草履虫（ single-celled paramecium ）。

The reason for this was that he decided to orientate the map in the direction of the Polestar since Polaris was the immovable guiding light in which the voyagers of that era placed their trust.

他之所以要这样做就是因为他决定以北极星的方向来确定地图的方位。因为北极星是一盏不动的导航灯，那个时代的航海家们主要依靠北极星来导航。

During the transition from tangential fretting to composite fretting, and to radial fretting, the decreasing of component of tangential fretting was accompanied with the increasing of component of radial fretting.

对复合微动的动力学特性、耗散能变化、损伤形貌、第三体行为、白层的形成和演变规律、裂纹的萌生与扩展，以及磨损与疲劳的竞争关系进行了细致研究。

That is to say, he emptied the tea-leaves now and again into a jam jar set aside for that purpose and if he ran out of clean forks he wiped over one or two on the roller towel.

他把用过的茶叶尽朝尽晚地倒在一个梅酱瓶里，那是放着专为倒茶叶用的，只要他用完了干净的叉子，就在拉得动的擦手布上篦了一个两个暂时使用。

We calculate the positions and the widths of 21 2P 0 resonances in BeⅡ between 1 1S 0 and 2 1P thresholds with a saddle point complex rotation method.

利用鞍点复转动的方法，计算了21个位于BeⅡ的11S和21P阈值之间的2P0自电离态，得到了包括相对论修正和质量极化修正在内的共振能量和宽度。

Some of their neurons respond differently to stress than the neurons of slothful rats.

那些爱动的老鼠和那些懒散的老鼠的大脑神经元对压力的反应不尽相同。

On one hand, turbulences cause the thermonuclear reaction of the H-burning shell in AGB star to be unstable, and the occurrence of the thermal pulse greatly beforehand, and very frequent.

这种热脉动的提前发生不仅使氦壳层内的光度、产能率、温度发生变化，同时使氢壳层内的各物理号和恒星表面的光度都同步发生改变。

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％。