As an example, Listing 2 can leverage the existence or non-existence of positional parameters to provide a helpful usage message if you specify no arguments.
例如，如果您未指定任何参数，则清单2可以利用位置参数的存在性或非存在性来提供有帮助的用法信息。
From the existence or non-existence of an atomic fact we cannot infer the existence or non-existence of another.
从一个原子事实的存在或不存在中，我们不能推断出另一个原子事实的存在或不存在。
Why do we care more about future non-existence? Than past non-existence?
为什么我们更在乎未来不存在的事，而不是更在乎过去不存在的事？
These issues, in tandem with the non-existence of a sound it governance approach, led to a crisis of credibility between business and it.
这些问题加上可靠IT治理方法的缺乏，导致了业务与IT之间的信誉危机。
Emptiness doesn't necessarily mean nihilism or non - existence; on the contrary, it designates an inexhaustible power and capacity that can manifest everything.
空并非一定指断灭或空无，相反的，它代表著一种一切均能从中显化而出的无穷力量和潜能。
The property verification's phase determines the existence (or non-existence) of a property in a program.
特性验证的阶段确定一个程序中是否存在某个特性。
A lapse in memory: is it a proof of non-existence?
记忆的间断：它可以证明不存在么？
It is therefore beyond our conceptions of good and evil, right and wrong, existence and non-existence.
因此它超越于我们善与恶，是与非，存在和不存在的观念。
The existence and non-existence of atomic facts is the reality.
原子事实的存在和不存在即是实在。
The picture presents the facts in logical space, the existence and non-existence of atomic facts.
图像描绘了逻辑空间的事态，即原子事实的存在和不存在。
The existence of atomic facts we also call a positive fact, their non-existence a negative fact.
我们还把原子事实的存在称为肯定的事实，把原子事实的不存在称为否定的事实。
What does teaching rhetoric suggest about the existence (or non-existence) of Truth?
教授修辞学对于“真理”的存在(亦或是不存在)，有何启示吗？
Thus Empedocles said that a coming into existence from a non-existence, as well as a complete death and annihilation, are impossible;
所以，恩培多柯勒认为，从非存在生成存在、全然消亡与毁灭是不可能的；
Model checking, a technique for verifying the existence or non-existence of certain temporal properties in a program is also a static analysis.
模型检查，是验证一程序中是否存在某些暂时性特性的一种技术，它也是静态分析。
The validity of an arbitration clause or an arbitration agreement shall not be affected by the modification, rescission, termination, invalidity, revocation or non-existence of the contract.
合同的变更、解除、终止、失效或无效以及存在与否，均不影响仲裁条款或仲裁协议的效力。
A new method is provided to prove the non-existence of multivariable function limit by virtue of construction method.
提出用一种新方法——构造法证明多元函数极限不存在，并得到了证明多元函数极限不存在的新条件。
Perelman's theorem goes far beyond proving this "non-existence" claim, just as Wiles' theorem tells you much more than non-existence of integer solutions of certain equations.
佩雷尔曼的定理远远超过证明这些“不存在”的断言，正如怀尔斯证明的定理所告诉你的东西要多于一类方程不存在整数解这个结论。
The hidden existence of word groups, which is different from inheritance, is shown by their non-existence in literature and their vigorous existence in popular speech or vernacular.
语词有潜在的情况，就是文献中见不到反映，却活泼地潜在于通用语或方言的口语中，这不同于承用。
These men maintain that existence is only apparent; non-existence is the only true reality.
这些人坚称存在只是表面的；不存在才是唯一的真实。
These men maintain that existence is only apparent; non-existence is the only true reality.
这些人坚称存在只是表面的；不存在才是唯一的真实。
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