| 单词 | infinity |
| 释义 | infinity[in'finiti]n. 无限大, 无限【计】 无穷【医】 无限距相关词组:to infinity infinity in.fin.i.ty AHD: [¹n-f¹n“¹-t¶] D.J. [!n6f!n!ti8]K.K. [!n6f!n!ti]n.（名词） 【复数】 in.fin.i.ties 缩写 inf.1. The quality or condition of being infinite.无限：无穷无尽的性质或者状况2. Unbounded space, time, or quantity.无限的空间、时间或者数量3. An indefinitely large number or amount.无限大的数或量4. Mathematics The limit that a function ƒ is said to approach atx = a when for x close to a, ƒ(x) is larger than any preassigned number. 【数学】 无穷大极限：函数ƒ在接近x = a 处的极限，当 x 接近 a, ƒ(x) 时大于任何预先给定的数 5. 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6. 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 |
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