western elongation meaning in Chinese
西大距
Examples
- When it precedes the sun , appearing west of the sun in the morning , it is in western elongation
。反之,在日出前见到的内行星正位于太阳的西面,若这时的距角是这段时间最大的,便称为 - The greatest elongation for both eastern and western elongation varies from 18 to 28 mercury and from 47 to 48 venus
。水星大距时与太阳的角距变化在18至28之间,而金星大距时与太阳的角距变化在47至48之间。