formation frequency

• 发生频率

formation frequency的用法和样例：

例句

1. Frequency of compound heterozygosity was similar in both groups.
   两组的对偶基因为异型合子的发生频率则相似。
2. This study also gave the directions to decrease the frequency of occurring gloomy weather and came up with some tactics to forecast and forewarn such weather.
   并对如何降低灰霾天气的发生频率，以及如何做好灰霾天气预测预警工作作了相关探讨。