concept of convergence是什么意思?

concept of convergence:趋同概念
Mathematics [数学领域]
In mathematics,convergence describes limiting behaviour,particularly of an infinite sequence or series toward some limit.To assert convergence is to claim the existence of such a limit,which may be itself unknown.For any fixed standard of accuracy,however,you can always be sure to be within that limit,provided you have gone far enough.
In the absence of a more specific context,convergence denotes the approach toward a definite value,as time goes on; or to a definite point,a common view or opinion,or toward a fixed or equilibrium state.
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意思是：对于康复的概念

it's useful in a variety of mathematical methods and applications.

【经济学】 经济收敛，指各地区人均收入，经济发展速度等趋于一致
【数学】 收敛：接近某一极限（如点、线、面或值等）的性质或方式
【生理学】 会聚：眼睛向内的协调转动，从而聚焦在近处的某物体上
【生物学】 趋同：互不关联的种群因处于相似环境中而逐步适应并形成表面上的相似结构，如鸟类和昆虫的翅膀也作 在此意义上也可称作 convergent evolution
应该比较...