| 1. | The far point of a normal eye is at infinity .
正常眼的远点在无穷远处。 |
| 2. | Parallel lines converge at infinity
平行线永不相交 |
| 3. | A polynomial differential system with eight limit cycles at infinity
一个在无穷远点分支出八个极限环的多项式微分系统 |
| 4. | Circle at infinity
无穷远圆 |
| 5. | In the study , an infinite plate with elliptic notch is subject to remote stresses at infinity
在分析中，设带椭圆孔口的无限平板受远处应力作用。 |
| 6. | When imposed some restrictions on the integrand , the limit can be equal zero at infinity
当对被积函数作某些限制时，其在无穷远处的极限可以为零。 |
| 7. | Anti - de sitter space , although it is infinite , has a “ boundary , ” located out at infinity
反德西特空间虽然无穷大，却有个位于无穷远的“边界” 。 |
| 8. | Wide open or fully stopped down at infinity focus the lens is ever so slightly soft compared to the professional telephoto zooms
用大光圈向无限远拍摄到的影像要比用专业的长镜头一样是大光圈向无限远所拍摄得的影像来得软 |
| 9. | The limit of the integrand f ( x ) of abnormal integral , which is convergent in the infinite range of integration , is not certainly equal zero at infinity
摘要无穷限反常积分收敛时，其被积函数在无穷远处的极限不一定为零。 |
| 10. | In this article , the center conditions , isochronous center conditions and bifurcation of limit cycles at infinity for a class of fifth system are investigated
摘要研究一类五次系统无穷远点的中心、拟等时中心条件与极限环分支问题。 |
