This is the crux of Gettier counter examples, each example has a problem involving the justification.

这就是“葛梯尔反例”的关键所在，每个反例都涉及一个“证明”的问题。

youdao

After a few of critical issues is investigated in SHM, it is found out that analysis of measure signal of structure is crux of the overall problem.

对结构健康监测中的几个关键性问题进行了分析，指出目前结构健康监测系统中首要的问题是测试信号的分析处理。

youdao

The crux of this method is decomposing a problem at first and abstract a series of objects and classes that relate to the objects from it.

这种方法的关键是把一个问题分解并从中抽象出一系列对象和与对象相关联的类。

youdao

But the fact that BYOD is hard and is going to take a lot of work is the crux of the problem.

FORBES: Don't Let BYOD Distract from the True Potential of Mobile Apps

However, the crux of the problem is that, while the Israelis have long recognised the Palestinian right to a state, the Palestinians have not realised that terrorism will not pay.

ECONOMIST: Israel and Palestine