infinity

名词 infinity:

1. time without end
   同义词：eternity

1. Can you represent infinity to yourself?
   你能在心想像无限吗？
2. Multiply y by infinity.
   以无穷数乘y。

in.fin.i.ty

n.（名词）
【复数】 in.fin.i.ties 缩写 inf.
The quality or condition of being infinite.
无限：无穷无尽的性质或者状况
Unbounded space, time, or quantity.
无限的空间、时间或者数量
An indefinitely large number or amount.
无限大的数或量
Mathematics The limit that a function ô is said to approach atx = a when for x close to a, ô(x) is larger than any preassigned number.
【数学】 无穷大极限：函数ô在接近x = a 处的极限，当 x 接近 a, ô(x) 时大于任何预先给定的数

A range in relation to an optical system, such as a camera lens, representing distances great enough that light rays reflected from objects within the range may be regarded as parallel.
（聚焦区）无限远：与光学系统（如照像镜头）有关的一个范围，表示距离是如此之远，以至于从在这一距离的物体上反射回来的光可以视为平行光线
A distance setting, as on a camera, beyond which the entire field is in focus.
无限远标志：一个距离的设定，比如在照像机上，表示整个场景都在焦点内