它是一个随机偶然的过程吗?
New versions of a gene can also become universal in a population through a random process known as genetic drift.当人体经过遗传漂变的过程后,基因变种在人类中变得更常见。
Then, The WVD function's mechanism of suppressing additive random noise in stationary random process is analyzed theoretically.然后,从理论上分析了它抵消平稳随机过程中与信号不相关的加性随机噪声的机理;