| 1. | A meridian is an imaginary circle .
子午线是假想出来的一个圆圈。 |
| 2. | Meridians are great circles passing through both poles .
经线均为通过两极。 |
| 3. | In all cases the gnomon lies in the plane of the meridian .
表始终都处于子午面内。 |
| 4. | Terrestrial longitude is measured in degrees east or west of the greenwich meridian .
地球的经度是被格林威治子午线向东或向西以度数来表示的。 |
| 5. | The meridians and parallels of the sphere can be projected on to a plane, by any convenient system .
球面上的子午圈和平行圈可用任一方便的方法投影到平面上。 |
| 6. | At any point the convergence is the angle between the meridian as represented on the plane and the n grid line .
一点上的收敛角是子午线在平面上的投影与N坐标线之间的角度。 |
| 7. | Most of the united states east of the hundredth meridian receives a rainfall of thirty inches or more per year .
美国在子午线一百度以东的大部分工区，每年都有三十英寸以上的雨量。 |
| 8. | The bail connecting the most inferior gimbal axis to the next gimbal axis mounts the meridian accelerometer .
把最里面的框架轴与第二框架轴连接在一起的框架上安装了子午线加速度计。 |
| 9. | A projection is defined as any orderly system whereby the meridians and parallels of the spheroid may be represented on a plane .
投影是一种有规律的方法，用来把椭球面上的子午圈和平行圈映射在一个平面上。 |
| 10. | The one hundred and first meridian was passed
现在已经越过了经线一百零一度了。 |
