meridian的意思是子午线。
例句：
1、Either half of such a great circle from pole to pole.子午线从极点到极点的大线圈的一半。
2、Study on the Preferred Formula of Bead Rim Cushion in Radial Tires.子午线轮胎子口护胶配方的优化研究。
3、the angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body.从观测者所在的子午线到给定天体的子午线沿着天赤道的角距离。
4、a meridian that passes through the observer's zenith.穿过观测者顶点的子午线。
5、The time or point in the sun's path at which the sun is on the local meridian.太阳在子午线上方之时或之点。
6、Retreading and repair of tyres（radial tyres）.GB14646-1993翻新和修补轮胎（子午线轮胎）。
7、daylight saving meridian.计算夏令时间的标准子午线。
8、A meridian is an imaginary circle.子午线是假想出来的一个圆圈。
