查询词典 precession

Precession and nutation of top and gyrosscope is discussed by elementary method,equations of motion are solved using simplified models, and an elementary analysis is made.

用初等方法讨论了陀螺与陀螺仪的进动及章动，用简化模型求解了运动方程，并给出了它们的初等分析。

In order to improve the amplitudes of the rigid Earth nutation series, it become necessary to revise the IAU 1976 value of the general precession in longitude.

非刚体地球章动的转换函数中所采用的简正模频率和常数都直接或间接地依赖地球动力学扁率值。

Phenomena such as precession the slow roughly 25 000 year cycle of movement of the direction of the Earth's axis and nutation the continual "nodding" of the Earth's axis due mainly to tidal forces from the Sun and Moon all have to be taken into account when defining a Universal Reference frame.

现象，如进动，慢，大约25 000年的周期，对地球的轴的方向运动，章动，不断"点头"地球的轴心，这主要是由于来自太阳和月亮，所有潮汐力量要考虑到当定义一个通用参考框架。

Due to lunar precession , this time is longer than that if the perigee's position was fixed.

由於月岁差的关系，这个时间比近地点不变的情况下所需之时间长。

In your " precession", your worth and value is approved yourself and others.

在我们的"队伍"里，我们的价值得到自己与他人的认可。

A person always has his/her "precession", maybe you like this, maybe you like that.

一个人一生中总会找到他的队伍，也许你喜欢这个人，也许他喜欢那个。

In this revolution,the key to wing thepredominance is the precession of thoughts and spirits.

在这场革命中赢得主动的关键是思想与精神的先行与准备。

To move in or be subjected to precession.

在游泳前要做暖身运动。

This alignment occurs as a result of the precession of the equinoxes.

此路线的发生是由于分点岁差的结果的。

Because Earth has a number of precession of the problem, is determined in accordance with Sky 1050BC.

因为地球有岁差数的问题，所以是按照1050BC的天象而定。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。