Then we have to describe our method of investigation in detail.

接下来要详细描述一下我们的调查方法。

Every day sees a new field of facts opened up, a new method of investigation invented, a new department of knowledge established.

每天都看到一个新的事实领域被打开，一个新的调查方法被发明，一个新的知识部门被建立起来。

But induction, important as it is when regarded as a method of investigation, does not seem to remain when its work is done: in the final form of a perfected science, it would seem that everything ought to be deductive.

但是归纳法，尽管被视为一种调查方法时很重要，但当它的工作完成后似乎就不再存在了：在一门完善的科学的最终形式中，似乎一切都应该是演绎的。