The fourth class is the test class: ServiceClassTest. (the nature of the implementations has been simplified as much as possible.)

第四个类是测试类：ServiceClassTest(实现的性质已经被尽可能地简化)。

youdao

Chapter two classifies the male middle class characters according to their occupations, concluding the nature and characteristics of the class.

第二章将中产阶级男性人物以职业划分，总结其阶级属性及特点。

youdao

Plekhanov had put forward the essence of literary class nature and social utility nature, applying the principle of literary class nature to literary criticism.

普列汉诺夫文艺思想的一个重要支点是强调文艺的阶级性与社会功利性的本质，将文艺的阶级性原则运用于文艺批评。

youdao

So, the first half of the class is going to be concerned with questions about the nature of death.

所以，课程的前半部分将会集中在,死亡本质的问题上。

耶鲁公开课 - 死亡课程节选

In recent years we've experienced the growth of the professional class as the nature of work and American aspirations have shifted.

WSJ: On the Web, Amateurs Rivaling Professionals

An even greater beneficiary of the second term will be the administrative class, who by their nature live largely outside the market system.

FORBES: The New Power Class Who Will Profit From Obama's Second Term

Given the highly contentious and controversial nature of plaintiff class action firms and the fact that they focus their marketing efforts on public funds, expect to be grilled about these arrangements.

FORBES: A ''Tipping Point'' for Public Pensions?