In A Necessary Condition的意思|示意

We have a duty to perform in each of those contexts and to be responsible is a necessary condition of our existence.

在每一情形中，我们都有一种义务要履行。因此，成为一个有责任心的人是我们人生的一种必要条件。

This paper gives a necessary condition for the admissibility of a nonnegative, quadratic estimator for error variance in linear model with respect to restricted ellipsoidal parameter space.

本文给出了线性模型中椭球约束下，误差方差非负二次估计可容许的一个必要条件。

In our model then, interpretation becomes one of a number of ways of getting to a "now moment" and moment of meeting, but such verbal exchanges are not a necessary condition for change to occur.

而在我们的模型中，交互作用成为达到“此时此刻”的“当下的会面”一些方法，但是这些动态的交互并非产生改变的必要条件。

In this paper, the concept of strong acute cone is introduced, and the necessary and sufficient condition for existing such cone in a infinite dimensional space is obtained.

本文提出了强锐角锥的概念，并就无限维空间证明了一个凸锥为强锐角锥的必要充分条件。

The IMF suggests that a sufficient (although not necessary) condition for a global recession is any year in which world GDP per head declines.

IMF认为世界年度人均GDP下降是全球经济衰退的一个充分条件（而不是必要条件）。

Whether we get what conclusions, it is certainly not our armed struggle to establish the liberation of Europe, nor is it a necessary condition for lasting peace in Europe.

不论我们从中得到什么结论，这肯定不是我们进行武装斗争所要建立的解放的欧洲，也不是一个具有永久和平必要条件的欧洲。