1. 周日弧，夜間弧天體升起或落下地平線時(shí)的明顯路徑
   The apparent path of a celestial body as it rises above and falls below the horizon.
2. 環(huán)游，周游沿這種路徑的旅行
   A journey made on such a path or route.
3. 子系統(tǒng)支持服務(wù)程序的路徑選擇或控制程序。此程序根據(jù)所有子系統(tǒng)支持服務(wù)功能的優(yōu)先級(jí)提供多任務(wù)和控制支持。
   The routing or controlling routines of Subsystem Support Services. This routine provides multitasking and control support, on a priority basis, for all Subsystem Support Services functions.
4. 穿越阿爾卑斯山有一條風(fēng)景優(yōu)美的路徑。
   There is a scenic route across the Alps.

徑的英語(yǔ)翻譯：