地球轨道的周期性变化会影响地球的气候。
Periodic changes in Earth's orbit could affect Earth's climate.
地球轨道偏心率的变化大约在96000年的一个周期内发生。
Changes in the eccentricity of Earth's orbit occur in a cycle of about 96,000 years.
这些数据已经建立了地球轨道变化和冰期周期之间的强有力的联系。
These data have established a strong connection between variations in the Earth's orbit and the periodicity of the ice ages.
人们早就知道，地球围绕太阳的轨道会周期性地变化，周期性地影响太阳辐射照射地球的方式。
It is long known that Earth's orbit around the Sun changes periodically, cyclically affecting the way solar radiation strikes the Earth.
轨道的形状并不是始终如一的；它会随时间变化，变化周期为一百年左右。
The shape of this orbit isn't consistent; it varies over time, over a period of about a thousand years.
有证据显示说，冰川的进与退都是周期性的，受地球轨道的变化所诱导。
There is some evidence that the ice came and went in regular cycles, driven by changes in Earth's orbit.
在我们这个宇宙里出现了漫长生命周期的恒星，具有稳定轨道的行星，能够实现复杂化学变化的分子，仿佛它的物理法则曾被精确校准过。
In our universe the laws of physics seem precisely calibrated to allow the existence of long-lived stars, planets with stable orbits, and molecules that allow complex chemistry.
速度差各分量的变化具有很明显的周期性且与卫星轨道的运行周期相吻合。
The variations of velocity difference have obvious periodicity, which coincides with the satellite orbit period.
迄今为止，地球轨道参数的变化是地质尺度上惟一可以精确定量计算的周期现象，可以用作地质计时的标尺。
Up to now, the Earth's orbital parameters remain the only periodicities in geology subject to precise calculations and, therefore, may provide new scales for geochronology.
虽然二氧化碳的变化受到三种轨道周期的复杂组合所控制，但先前各个间冰期的趋势都非常相似。
Although a complex combination of all three orbital cycles controls co2variations the trends during previous interglacial intervals were all surprisingly similar to one another.
由于地磁场的方向在轨道上周期变化，卫星的姿态动力学方程是一个线性周期系统。
Since the geomagnetic field varies periodically on orbit, the dynamics of satellite is a linear periodic system.
铁路车轮的周期性非圆化将引起车辆-轨道耦合系统一系列动力响应的变化，对系统的各个部件都有着危害性的影响。
Periodic non-roundness of railway wheels will cause a series of variety on vehicle-track coupling system dynamic responses, which has a detrimental influence on both track and vehicle components.
MEO和IGSO卫星在一个轨道周期内星历参数拟合结果的变化规律相近，但是与GEO卫星的差异较大。
It also shows that the variety laws of the fitting result of broadcast ephemeris for MEO and IGSO satellites are similar to each other and are different to GEO satellites.
MEO和IGSO卫星在一个轨道周期内星历参数拟合结果的变化规律相近，但是与GEO卫星的差异较大。
It also shows that the variety laws of the fitting result of broadcast ephemeris for MEO and IGSO satellites are similar to each other and are different to GEO satellites.
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