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infinity

/ɪnˈfɪnɪti/

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Illustration infinity - Image 2

noun

无限，无穷。

Endlessness, unlimitedness, absence of a beginning, end or limits to size.

Examples :

"The vastness of the universe is an example of infinity; it has no beginning and no end. "

宇宙的浩瀚就是一个无限的例子；它没有开始，也没有结束。

philosophy math astronomy physics science theology being space

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noun

无限，无穷。

A number that has an infinite numerical value that cannot be counted.

Examples :

"The number of possible answers on a math test is infinity. "

数学考试中可能答案的数量是无限的。

number math philosophy science

Illustration infinity - Image 1

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noun

无限，无穷。

An idealised point which is said to be approached by sequences of values whose magnitudes increase without bound.

Examples :

"The mathematician explained that the number of possible decimal places in a never-ending decimal like pi approaches infinity. "

数学家解释说，像圆周率这样永不停止的小数，它的小数位数可以无限接近无穷大。

math philosophy physics astronomy number space

Illustration infinity - Image 1

noun

无穷大，无限。

A number which is very large compared to some characteristic number. For example, in optics, an object which is much further away than the focal length of a lens is said to be "at infinity", as the distance of the image from the lens varies very little as the distance increases further.

Examples :

"In photography, if an object is far enough away – practically at infinity – the camera lens doesn't need to adjust much to keep it in focus. "

在摄影中，如果一个物体足够远——实际上远到可以认为是无穷远——相机镜头就不需要做太多调整就能保持它的清晰度。

math physics astronomy number space

Illustration infinity - Image 1

Illustration infinity - Image 2

noun

无穷符号，无穷大符号

The symbol ∞.

Examples :

"The mathematician explained that the symbol ∞ represents infinity, meaning something without any limit or end. "

数学家解释说，符号 ∞ 代表无穷符号，意味着没有任何限制或尽头的东西。

math number philosophy abstract