mathematical expectation and variance
mathematical expectation and variance
数学期望和方差
以上为机器翻译结果，长、整句建议使用 人工翻译 。
-
In this paper, we consider both the mathematical expectation and variance for the time to failure of some systems and design a system with ideal reliability.
本文研究系统寿命的均值和方差，并设计出较为理想的可靠性系统。
youdao
更多双语例句