查询词典 planetary motion

Nonlinear partial differential dynamic equations of bending vibration of a tilting stepped drive shaft with two supports were built under non-inertia movement coordinate system by theorem of the motion of mass center and Heaviside function. According to the condition of equal displacement in an adjoining plane of the shaft, an equivalent shaft and its equation were obtained. A motion equation of the equivalent shaft was obtained by method of Galerkin. An approximate steady-state solution of the main resonance was obtained by method of multiple scales. The influence factors, motion stability, amplitude jump of main resonance of a stepped drive shaft and so on were analyzed.

用质心运动定理、Heaviside函数建立了非惯性系下倾料两端支承阶梯传动轴的非线性弯曲振动偏微分动力学方程，并根据相邻轴段的衔接面处位移相等的条件，得到阶梯轴的当量轴及其动力学方程；用Galerkin法得到当量轴的弯曲运动方程，用多尺度法求得稳态下当量轴的主共振的一次近似定常解，分析了影响阶梯传动轴主共振的因素、运动稳定性、振幅突变性等。

What is called that the annulus of the inner cylinder executing a planetary motion is: the inner cylinder which can form the annulus is not only rotating by the axis of itself, but also rotating by the axis of the outer cylinder in the annulus.

所谓内管做行星运动的环空是指：构成环空的内管不仅绕其自身轴线自转，而且还同时绕环空外管的轴线公转。

Starting from the conditions of law of conservation of energy and angular momentum,how to deal with simple disposal of several physical equations of the planetary motion by applying the elementary mathematical equations is proposed.

从角动量和能量守恒定律出发，建立行星椭圆运动的轨道方程，导出行星运动时的各个物理量表达式，从而给出了一种以初等数学为基础的处理行星运动的简洁方法。

The protocol is designed to deal with extremely long trip times and with potential disconnection because of planetary motion.

该协议旨在处理极其漫长的旅行时间和潜在的脱节，因为行星运动。

Newton showed that the motions of objects on Earth and of celestial bodies are governed by the same set of natural laws by demonstrating the consistency between Kepler's laws of planetary motion and his theory of gravitation, thus removing the last doubts about heliocentrism and advancing the scientific revolution.

他通过论证开普勒行星运动定律与他的引力理论间的一致性，展示了地面物体与天体的运动都遵循着相同的自然定律；为太阳中心说提供了强有力的理论支持，并推动了科学革命。

German astronomer Johannes Kepler in the period 1909-1916 summed up the observations of planetary motion to get.

德国天文学家开普勒于1909—1916年期间总结了行星运动的观测资料得到的。

So far no news, but why would the crop circle makers want to tell us something about Kepler's laws of planetary motion, which already is generally known for centuries?

到目前为止，还没有消息，但为何会作物循环制造商想告诉我们的行星运动，已经是几个世纪以来，一般称为开普勒定律吗？

His letters to Kepler, discoverer of the laws of planetary motion, explain the application of his "calculating clock" to the computation of astronomical tables.

这些早期计算设备的祖先包括有算盘，以及可以追溯到公元前87年的被古希腊人用于计算行星移动的安提基特拉机制。

The list starts with Archimedes and Kepler, whose three laws of planetary motion were not, incidentally, called "laws" by either him or Newton.

这些定律的名单起始于阿基米德和开普勒，后者的行星三大运动定律可不是被他自己或牛顿偶然地称为"定律"的。

In putting together this materialist view of the world, Hobbes was influenced by his contemporaries Galileo and Kepler, who had discovered laws governing planetary motion, thereby discrediting much of the Aristotelian worldview.

在制订这一唯物主义的世界观，霍布斯是影响他同时代伽利略和开普勒，谁发现了行星运动规律，从而诋毁大部分亚里士多德世界观。

We stopped by the old fashion ice cream parlor Manhattan Beach Creamery for some refreshment. The "No Shoes, No Shirt, No Problem" sign on the wall epitomizes the beach lifestyle.

我们去商店区的一家老式冰淇淋店坐坐，墙上挂著「没鞋，没上衣，没问题」的牌子完全捕捉了海滩生活的随性及风格。

"If therefore", argues Bellarmine we can offer our prayers and our satisfactions in behalf of those detained in purgatory, because we are members of the great body of Christ, why may not the Vicar of Christ apply to the same souls the superabundant satisfaction of Christ and his saints--of which he is the dispenser?

" "因此，如果"，认为贝拉明（德indulgentiis ，十四）"我们可以提供我们的祈祷和我们满意的代表那些被拘留在炼狱，因为我们是成员的伟大基督的奥体，为什麼可能不是牧师基督适用於同样的灵魂满意的过剩是耶稣和他的圣人-他是在配药？