类和对象逻辑相等。实际上，类是对象的原型，实例是对象一个的具体表现。
An object and a class are logically equivalent. In practice, a class is the prototype for an object, while an instance is a particular incarnation of the object.
说飞马不是现实的，同说巴特农神段不是红色的，在逻辑上是相等的，在这两种情形中，我们都是对于其存在不容置疑的一个东西有所言说。
Saying that Pegasus is not actual is on a par, logically, with saying that the Parthenon is not red; in either case we are saying something about an entity whose being is unquestioned.
在数据加载操作过程中，可以按与可编程核心逻辑电源电压相等的电源电压对存储器单元供电。
During data loading operations, the memory elements may be powered with a power supply voltage equal to the programmable core logic power supply voltage.
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