different_categories_of_samples

1.There could be different categories of samples such as simple widgets, sophisticated Web applications, Eclipse applications, and so on.
可以针对不同类型的示例，比如示例小组件、复杂Web应用程序、Eclipse应用程序等。
dict.yoduao.com
2.Objective: To know the effect resulted from prolonging of primary fermentation time on coliform bacteria among different categories of samples.
目的：旨在了解延长初发酵培养时间对各类样本大肠菌群检出结果的影响。
dict.yoduao.com