词族 · parsec
词形变化
英语词源
- parsec (n.)
- interstellar distance measure, 1913, from first elements of parallax second. It is the distance at which an object has parallax (viewed from Earth) of one second of arc, or about 3.26 light-years.
权威例句
- 1. It uses Parsec as a parallel discrete - event simulation language.
- 它使用并行离散事件仿真语言Parsec作为 自己的编程语言.