To be more exact, it's the Qiang flute.

准确地说应该是羌笛。

Each repetition produces a more exact answer.

每一次重复都产生一个更精确的答案。

Or to be more exact, I was nine and a half.

说得更准确些，我那时是9岁半。

The details of the agreement need more exact statement.

协议的细节需要更加确切的表达。

It is a cable or, to be more exact, a commercial cable.

那是一封电报，确切点说，是一封商业电报。