infinity

n. 无限大, 无限
【计】 无穷
【医】 无限距
相关词组:
to infinity

名词复数:infinities 

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