1.
The earth's orbital cycles were driving a simultaneous natural cooling trend, especially at high northern latitudes.
地球轨道周期正在造成自然的冷却趋势，尤以北方高纬度地区为最。
2.
a circular orbit around the Earth having a period of 24 hours; a satellite in such an orbit will be stationary relative to the Earth.
一个周期为小时的绕地球的圆形轨道；与地球相对静止的人造卫星的轨道。
3.
marked by an orbit with a period of 24 hours so that a position in such an orbit is fixed with respect to the earth.
以周期为24小时的运行轨道为特点，所以在此轨道上的点相对于地球而言就是固定的。
4.
The earth orbits the sun once every 365.25 days.
地球每365.25天绕太阳轨道一周。
5.
The earth orbits the sun once every 3 6 5 . 2 5 days .
地球每３６５。２５天绕太阳轨道一周。
6.
Comment on the relation between this period and the period of a satellite revolving close to the surface of the earth.
解释这个周期和卫星沿接近地球表面的轨道旋转的周期之间的关系。
7.
The man-made satellite orbits the earth every 48 hours.
那颗人造卫星每48小时绕地球轨道运行一周。
8.
Sarkovskii s Theorem and Simple Periodic Orbits;
Sarkovskii定理与简单周期轨道
9.
The moon orbits the earth.
月球绕地球轨道运行。
10.
capacity of the geostationary orbit
地球静止轨道的容量
11.
circum earth orbit
地球卫星的环行轨道
12.
large orbiting earth resources observatory
大轨道地球资源观测
13.
A satellite's circle around the earth.
卫星绕地球的环形轨道
14.
orbit of artificial earth satellite
人造地球卫星运行轨道
15.
the time for the earth to make one complete revolution around the sun, relative to the fixed stars.
以恒星为基准测定的地球在环绕太阳的轨道上公转一整周的时间。
16.
He was passing methodically in his orbit around the world, regardless of the lesser stars which gravitated around him.
他沿着自己的轨道环游地球，毫不忧虑那些在它周围运行的小行星。
17.
The shuttle went into orbit on schedule to enable it to circle the earth at least once.
航天飞机已按预定时间进入轨道，从而使它至少能绕地球运行一周。
18.
A small periodic motion of the celestial pole of Earth with respect to the pole of the ecliptic.
章动地球天极就黄道极而言的小的周期性转动