常見例句雙語例句The essence of this method is a group of differential equations based on the average change rate of orbit elements, and the right sides of these equations contain definite integrals.它的實(shí)質(zhì)是以軌道要素的平均變化率為基礎(chǔ)的微分方程 ,而方程的右端包含定積分。Firstly, relative motion equations are presented in detail in terms of relative motion parameters and orbit elements, so the orbit elements of adjoint satellites can be obtained directly.其次,為有利于相對(duì)軌道分析和設(shè)計(jì),對(duì)相對(duì)運(yùn)動(dòng)方程進(jìn)行了簡(jiǎn)化;This paper proposes an accurate orbit determination technique to accurately determine orbit elements of a spacecraft equipped with a GPS receiver according to navigation messages from the receiver.利用GPS接收機(jī)的導(dǎo)航信息精確確定接收機(jī)載體航天器的軌道根數(shù)。 返回 elements of orbit