By using the invariance property of VSC, the controlled system independent of the uncertainty which satisfies the matching condition on the sliding surface.

利用变结构控制的不变性，使受控系统在滑模面上与满足匹配条件的系统不确定性无关。

youdao

This uncertainty of the future is one of the main marks of the human condition. It taints all manifestations of life and action.

这种关于未来的不确定，是人事的主要特征之一。生活与行为的各方面都不免被它困扰著。

youdao

Due to uncertainty in both system itself and the circumstance condition, it's difficult to take an accurate mathematics description of every state of the system.

由于系统本身和外部条件的不确定性，很难对系统各状态进行准确的数学描述，造成滤波器不稳定甚至发散。

youdao

And it is only the creation of the sovereign for Hobbes, endowed or possessed with absolute power, that is sufficient to put an end to the condition of perpetual uncertainty, anxiety and unrest that is the case of the natural condition.

对霍布斯而言,只有给君主，赋予绝对的权力，人们才足以结束,对这漫长的未知的恐惧，和对不安生活状态的疑虑,这才是现有条件下我们该做的。

耶鲁公开课 - 政治哲学导论课程节选

This is all the more astounding since, during this period, uncertainty has steadily grown about the actual condition of the U.S. nuclear arsenal.

CENTERFORSECURITYPOLICY: The ��Genie-stuffers��

India's The Hindu noted that Venezuela's vast oil reserves meant that Chavez's state of health was world news, and that "nervousness and doubts" surrounded any uncertainty over his condition.

BBC: World media consider life after Chavez