two equality principles 两个平等原则
The XANDOR operator evaluates two or more equality predicates simultaneously by driving multiple XISCANs.
XANDOR操作符通过操作多个XISCAN,来同时计算两个或多个等式谓词。
There are two approaches to defining equality and hash value: identity-based, which is the default provided by Object, and state-based, which requires overriding both equals() and hashCode().
有两种方法来定义对象的相等性和散列值:基于标识,它是 Object 提供的缺省方法;基于状态,它要求 Override equals() 和 hashCode() 。
For float values, comparing two NaN values for equality will yield false, but comparing two NaN float objects using Float.equals will yield true.
对于float值,比较两个nan值是否相等将会得到false,而使用float . equals来比较两个NaN float对象会得到true。
I have a dream today." A march on Washington had brought about two hundred fifty thousand people to demand racial equality and freedom.
VOA: special.2010.04.16
s very interesting if you go back and you read about al-Qaeda, one of the things that you read about is that Arabs, after World War Two saw the United States as standing for values of liberty and democracy and equality.
有一点很有趣,It’,如果你回头读读看看关于基地组织的报道,肯定不难发现,二战以后,阿拉伯人,将美国视为,自由,民主,平等的象征。
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