empty set

常见例句

双语例句

• Start from scratch: Start with an empty set of conditions and add your own.
  从头开始：从一组空的条件开始并添加您自己的条件。
• This occurs because the fields are empty, so we are actually multiplying nothing by nothing (or empty set by empty set).
  之所以会出现这个问题是由于字段是空的，因此实际上进行的计算是零乘零（或者空集乘空集）。
• When you invoke a Groovy method that has no parameters, you must call it with an empty set of parentheses, which allows Groovy to distinguish between a property access from a method call.
  当您调用一个没有参数的 Groovy 方法时，您必须使用一对空括号调用它，这使得 Groovy 可以分清一个属性访问和一个方法调用之间的区别。

原声例句

• Possibly an empty set of constraints.
  约束条件得出的也可能是空值。
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权威例句

• Picture this: a stately room full of empty chairs set up two rows deep in a semi circle.
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• As soon as Munin bullied him, he headed over to a set of empty containers, prised the lids off them enthusiastically, and pretended to eat.
  ECONOMIST: Now, it seems, even the bird-brained have theories of mind
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