known state的用法和样例：
例句
- If every constructor sets every member to an explicit, known state, then member functions can distinguish between an empty object and one that has actual values.
如果每个构造函数将每个成员设置为明确的已知状态，则成员函数可以区分空对象和具有实际值的对象。
known state的相关资料：
临近单词
known
known objective depth method
Known issues with this update
known/suspected terrorists
Known bugs with this firmware
known / suspected terrorist
Known from the ancient time.
Known as Koch's preparation.
known economic reserves in places
known ecomonic reserves in places
known reality/non-known reality
