1.
Spacecraft Keplerian Orbits and Non-Keplerian Orbits:Definition,Classification and Control
航天器开普勒轨道和非开普勒轨道的定义、分类及控制
2.
Mathematical Problems in the Analysis and Control of Spatial Non-Keplerian Orbits
空间非开普勒轨道分析与控制中的数学问题
3.
Kepler's second law means that a planet's orbital speed changes with its distance from the sun.
开普勒第二定律指行星的轨道速度与其和太阳的距离。
4.
Let us test Kepler's third law for the orbit of uranus compared with that of earth.
让我们比较天王星和地球的轨道，来检验一下开普勒第三定律。
5.
locking and unlocking rail
(索道的) 挂结和脱开轨道
6.
Public registry of objects launched into orbit or beyond
射入轨道或轨道以外物体之公开登记
7.
Disconnect the track bar from the body rail bracket.
从车体轨道支架上短开轨道杆。
8.
Doppler frequency shift estimation and compensation for LEO and MEO satellite signals
中低轨卫星信号的多普勒频移估计与补偿
9.
A Study on Nutation Property of Ballistic Target and its Micro-Doppler
弹道目标章动特性及其微多普勒研究
10.
(astronomy) one of three empirical laws of planetary motion stated by Johannes Kepler.
（天文）开普勒三个天体运动定律之一。
11.
In 1611, Kepler published his Dioptrice.
1611年，开普勒发表了他的著作《折光学》。
12.
Studies on construction managements and cost analyses of Zublin ballastless tracks
旭普林无砟轨道施工组织及工程造价分析
13.
Research on Pipe-Flow Measurement Based on Ultrasonic Doppler Methods
基于超声多普勒方法的管道流量测量研究
14.
Doppler Ultrasonographic Assessment of Gut Blood Flow Velocity in Premature Neonates;
多普勒超声显像技术检测早产儿胃肠道血流
15.
Transvaginal color Doppler ultrasound in identifying endometrium abnormality
经阴道彩色多普勒超声诊断子宫内膜病变
16.
Analysis of Doppler Shift Effect on Channel Capacity of CDMA System
多普勒频移对CDMA系统信道容量影响的分析
17.
The diagnostic value of transvaginal color Doppler ultrasonography in ectopic pregnancy
经阴道彩色多普勒超声对宫外孕的诊断价值
18.
Transvaginal color Doppler ultrasound for diagnosis of cervical masses
彩色多普勒阴道超声对宫颈肿物的诊断意义