The idea is that in a boot-like place (the main method?) it is populated with appropriate instances for the service names, and that unit tests can program it with a mix of real and mock instances.

其思想是在程序的入口（main方法？） ，把与服务名对应的实例填充进服务定位器，单元测试的时候可以混合使用真实或模拟的实例来填充。

youdao

The idea is that in a boot-like place (the main method?) it is populated with appropriate instances for the service names, and that unit tests can program it with a mix of real and mock instances.

其思想是在程序的入口（main方法？） ，把与服务名对应的实例填充进服务定位器，单元测试的时候可以混合使用真实或模拟的实例来填充。

youdao