orbits造句
The
orbits of planets in the once popular geocentric Ptolemaic system are epitrochoids.
曾經盛行的托勒密地心說體系里的行星軌道就是外旋輪線.
Mars and Earth have
orbits which change with time...
火星與地球的運行軌道隨著時間而變化。
Other enumeration problems lead us to the study of
orbits of permutation groups.
其它的計數問題引導我們去研究置換群的軌道.
The Earth
orbits in an ellipse.
地球軌道呈橢圓形。
As a companion star
orbits its primary , it alternately approaches and recedes from the Earth.
當伴星圍繞著主星運轉時, 它交替地朝著地球或背離地球運轉.
The man-made satellite
orbits the earth every 48 hours.
那顆人造衛星每48小時繞地球軌道運行一周。
Stellar passings can perturb the
orbits of comets.
行星的運行會使彗星的軌道發生擾動.
This classification is the analogy of our previous picture of stable
orbits.
這種區分類似于前面的穩定軌道圖形.
The man - made satellite
orbits the earth every 48 hours.
那顆人造衛星每48小時繞地球軌道運行一周.
They knew each other by sight, but their
orbits did not touch.
他們見面認識, 但各自的生活圈子互不搭界.
The
orbits of such faint asteroids are not yet known.
但是對于這樣暗的小行星的軌道,迄今尚未弄清.