It requires a careful analysis of not only the conditions under which variables will be read or written, but also of how the class might be used by other classes.

它不但要求仔细分析在什么条件可以对变量进行读写，而且要求仔细分析其它类能如何使用某个类。

youdao

Or in other words, the only opportunity they had to introduce the read-only interfaces as base classes of the mutable variety was back in.net 2.0 when they were originally conceived.

或者换言之，引入只读接口作为某些可变种类基类的唯一机会是退回到。NET 2.0，即它们最初被构思出来的时候。

youdao

This is a read-only set of properties that define the device's major and minor device classes and its services.

这是一个只读的属性集合，它定义了设备的主要和次要的设备类以及它的服务。

youdao