... 日地平均距离mean Earth-Sun distance 日面solar disk;sun's disk 日出sunrise ...
双语例句
1
When the probe is 4 million miles away, the solardisk will loom 23 times wider in the sky than it does on Earth.
当探测器到达距太阳表面4百万英里的高度时,太阳看上去将相当于从地球看上去的23倍那么大。
2
When conditions are just right, shorter wavelengths such as green are bent more than longer wavelengths such as orange, and a flash of green light appears near the top of the solardisk.
In the paper we present the distribution of the penumbral pattern of the spiral spot on the north and south hemispheres of the solardisk in the period between March 1970 and December 1978.