不存在的

He spent his life chasing after shadows.

他用毕生精力追求不的东西。

Such inequalities are found in every stratum.

这类不公平的现象于社会的每阶层。

The prime minister spoke of the general insecurity in the country.

总理谈了全国普遍的不安全。

The opposite concepts of superior and inferior have no absolute boundary line, which is the indistinction of optimization.

优或次这对立概念之间不对分明的界限，这就是优化的模糊性。

Finally,the tall, imposing figure sighed deeply and placed the astrolabe on a table that was no longer there, andvanished.

最后，这高大的、引人注目的身影松了口气，把星盘放早已不的桌子上，消失了。

Liberal ideas of free trade played a role in German unification, which was preceded by a customs union, the Zollverein.

事实上不客观的、判决这些要求是否正确的标准。

Because the ideal “rigid joint” and “hinged joint” are inexistent, the stiffness of any connection types is between ideal rigid joint and hinged joint.

因为理想的刚节点和铰接点是不的，任何连接形式的刚度都是介于理想刚接和完全铰接之间的。

By using Taylor's formula, the article deduces the sufficient condition of the existent extreme value and the necessary condition of the inexistent extreme value of trinary function.

通过利用泰勒公式推导出判断三元函数极值的充分条件和极值不的必要条件。