好词典

a.s.

UK /ˌeɪ ˈes/US /ˌeɪ ˈes/

词源

缩写自拉丁语 'almost surely' 或 'almost certainly',在概率论中广泛使用。

adverb

❶ 几乎肯定地,表示某事极有可能发生或成立,常用于概率论或统计学中。

“The algorithm will converge a.s. under these conditions.”

(在这些条件下,算法几乎必然收敛。)

“The event happens a.s. if its probability is 1.”

(如果事件的概率为1,那么它几乎必然发生。)

同义词:almost surely, with probability one, almost certainly

常见短语

a.s. convergence — 几乎必然收敛,指在概率论中,随机变量序列以概率1收敛到某个极限。

“The sample mean exhibits a.s. convergence to the population mean.”

(样本均值几乎必然收敛到总体均值。)