Today, there are still vigorous debates about the exact methods the Egyptians employed.

今天，关于埃及人使用的确切方法仍然存在激烈的争论。

" Descartes was obliged to ask himself if there was a similar certain and exact method of philosophic reflection" .

“笛卡尔不得不问自己是否存在类似的确定而准确的哲学反思方法”。

Having completely abandoned his domestic obligations, he spent entire nights in the courtyard watching the course of the stars and he almostcontracted sunstroke from trying to establish an exact method to ascertain noon.

他完全抛弃了家务，整夜整夜呆在院子里观察星星的运行；为了找到子午线的确定方法，他差点儿中了暑。