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In this paper, we have certificated the correctness of the simulation mathematic model and the prediction programs by calculating horizontal stationary turning circle motion and vertical stationary submergence motion, and then have predicted the six motions of tow submarines in order to get the feature motion parameters and the motion track of the center.

本文首先通过对潜艇水平面定常回转运动和垂直面定常直线潜浮运动的计算，验证了仿真数学模型和预报程序的正确性，然后分别仿真预报了两艘潜艇的六种运动的特征运动参数和重心运动轨迹，其预报结果符合工程实际，能够较为全面地反映潜艇的空间操纵运动。

A method to suppress bifurcations and chaotic motions is proposed.

提出一种抑制分叉和混沌的方法。

The dynamic responses of caisson breakwaters under breaking wave impact are studied, a dynamic analysis model with a mass-damper-spring system is founded and a numerical analysis method is developed to simulate the four types of possible motions of caisson breakwaters.

对近破波作用下沉箱式防波堤的动力响应进行研究，建立了质量—弹簧—阻尼器的动力分析模型和沉箱式防波堤四种可能运动形式的数值模拟方法； 2。

If one single particle collides with another single particle, their motions should obey both energy and momentum conservations.

两个单粒子的碰撞运动，既要服从能量守恒，又要服从动量守恒。

Between above two cases, if the single particle collides with the crowded-particles in one, or two dimensional-links, their motions might obey either energy, or momentum conservations.

介于上述两者之间，一个单粒子与一维紧密相连的粒子群的碰撞运动，不是动量守恒可以忽略，就是能量守恒可以忽略。

The seismic excitation of space lattice structures is not only multi-dimensional but also multi-support, so ground motions are very complicated.

大跨空间网格结构受到的地震作用不仅是多维的，也是多点的，结构的受力情况十分复杂。

The goal is to maintain tire contact with the road surface and to keep the body on an even plane, with smooth, well-controlled body motions even during aggressive maneuvers or on uneven road surfaces.

我们的目标是保持轮胎与路面接触，并保持在一个平面上，即使身体，光滑，控制良好的身体，即使在攻击演习，或在不平整路面的议案表面。

For some typical ship manoeuvring motions in restricted waters, numerical study on simulation of the viscous flow and calculation of the hydrodynamic forces is carried out by solving the RANS equations:(1) Numerical study on the viscous flow and the hydrodynamic forces on a ship in oblique motion in shallow water.

本文针对如下几种典型的限制水域中的船舶操纵运动，通过求解RANS方程，对其粘性流场和水动力进行了数值研究：(1)浅水域船舶斜航运动的粘性绕流场及水动力数值计算研究。

For there is a music wherever there is a harmony, order, or proportion; and thus far we may maintain the music of the spheres ; for those well-ordered motions and regular paces, though they give no sound unto the ear, yet to the understanding they strike a note most full of harmony.

因为哪儿有和谐，哪儿有秩序，哪儿比例匀称，哪儿就有音乐。因此，我们可以相信天体音乐的存在；那些秩序井然的运动，固有的节奏，尽管它们在人耳之中悄无声息，但对于那些领悟了的心来说，它们便是充满和谐的天籁。

The Pythagoreans, having discovered the mathematical laws of musical pitch , inferred that planetary motions produce a "music of the spheres ," and developed a " therapy through music" to bring humanity in harmony with the celestial spheres.

毕达哥拉斯学者们根据行星运行所产生的&球形音乐&中，发现了如音乐般的数学原理，并发展了&音乐治疗&使人类与天上的星球达到和谐。

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％。