1.
In December 1978, the Pioneer Venus 1 probe and orbiter measured argon isotopes in the atmosphere of Venus.
1978年12月，金星先驱者1号探测器和轨道飞行器，测定了金星大气层中的氩同位素。
2.
The second spacecraft separated into five probes that entered Venus's atmosphere and descended to the surface of the planet.
另一艘则分化成五个探测器，进入金星大气层，然后降落到该行星的表面。
3.
Also the atmosphere of Venus is extremely dense,
而且金星上的大气密度很大，
4.
Two spacecraft are being launched to probe the atmosphere of Venus.
将发射两个航天器来探测金星的大气。
5.
Most of the Martian air consists of carbon dioxide CO, similar to conditions on Venus.
火星上的空气大部分是由二氧化碳组成的，与金星的情况相似。
6.
Venus has a thick atmosphere of carbon dioxide, with traces of poisonous gases such as sulfur dioxide.
金星有一层厚厚的二氧化碳大气和一些有毒气体，如二氧化硫。
7.
absorption and scattering of stellar atmosphere
恒星大气的吸收和散射
8.
upper atmosphere observation by air drag of satellite
高层大气卫星阻尼观测
9.
upper atmosphere observation by trails of the meteors
高层大气流星余迹测量
10.
isotopic ratio in Mars atmosphere
火星大气的同位素比值
11.
Atmospheric conditions often prevent observation of stars.
大气的情况常使人们无法观察星星。
12.
The Time and Coordinate System of Earth-based Mars Atmosphere Occultation
YH-1地基火星大气掩星观测前期处理
13.
The outermost region of a planet's atmosphere.
外大气圈行星大气层的最外部
14.
Most of the new planets are probably huge balls of gas, more like Jupiter than Earth.
大部分这些行星是与木星类似的气体行星。
15.
Detection of Martian atmosphere and ionosphere using Spacecraft-Earth radio occultation technique
星—地无线电掩星技术探测火星大气和电离层
16.
Detection of the martian atmosphere and ionosphere using spacecraft-earth radio occultation
星-地无线电掩星技术探测火星大气和电离层
17.
Studies of Jupiter's atmospheric structure and storm behavior.
研究木星的大气层结构与天气系统.
18.
Jupiter, Saturn, Uranus, and Neptune are primarily hydrogen and helium.
木星，土星，天王星以及海王星的大气主要是氢和氦。