Our ability to observe particles at the quantum level is currently limited by Heisenberg's uncertainty principle.

我们观察量子水平下粒子的能力目前受到海森堡不确定原理的限制。

youdao

A corollary of this principle is that a learning algorithm should never be evaluated for its results in the training set because this shows no evidence of an ability to generalize to unseen instances.

这个原理的一个推论是，一种学习算法永远不会对它训练集的结果进行评估，因为对于一种未知的事例而言，没有证据表明算法具有概括它们的能力。

youdao

Remember this important principle in life: the appearance of ability is more important than actual ability itself.

请记住这个重要的生活准则：表面上的能力要比实际上的能力更重要。

youdao

Essentially, the principle behind all mixing services is the ability to remove or obscure any linkage to a real-world identity because the bitcoin blockchain maintains a public transaction log of all transactions.

FORBES: TORwallet Sparks Trust Without Jurisdiction Debate

The judge also said that the law "impermissibly attempts to circumscribe a court's ability to review the necessity of nondisclosure orders, " violating the principle that allows the judicial branch to review laws and executive actions.

WSJ: Judge Strikes Down Secretive Surveillance Law

The UK's shadow defence secretary Jim Murphy said in the Commons he welcomed the agreements in principle but asked for assurances that they would not limit the UK's ability to act independently "in all circumstances" - such as the defence of overseas territories.

BBC: Cameron and Sarkozy hail UK-France defence treaties