Man is a decisive factor in doing everything.

人是件事情的决定性因素。

I think probably the defining moment is when the Titanis feels like its life is in danger.

我认为决定性的一刻可能是在恐鸟感觉自己的生命处于危险中时。

We got a definitive victory.

我们取得了决定性的胜利。

It's not finally settled yet.

那事尚未有决定性的解决。

A friend of Wittgenstein, she produced the definitive (and still unrevised) translation of his Philosophical Investigations in 1953, as well theIntroduction to Wittgenstein's Tractatus in 1959.

为维特根斯坦的一个朋友，安斯康对1953年《哲学研究》的翻译是决定性的（至今仍无修正），还有1959年对维特根斯坦《逻辑哲学论》的介绍也是如此。

This paper presents and proves a discriminant theorem which is suited to examine the determinability of the discrete linear system,which shows that an outstanding issue of this field has been solved.

本文得线性系统能决定性的一个判别定理，该定理解决了文献中尚未解决的相关问题.