A mixed integer programming formulation for the off-line version of the problem has been proposed.
给出了问题的数学描述，并对其静态问题，构造了一个混合整数规划模型。
The difference between the two commands is that gets returns an extra bit of information: a 64-bit integer that acts much like a "version" identifier of a name/value pair.
两个命令之间的差异在于，gets返回的信息稍微多一些：64位的整型值非常像名称/值对的 “版本”标识符。
The record store also maintains a version, which is an integer that is incremented for each operation that modifies the contents of the record store.
记录存储还维护版本(version)，它是一个整数，修改记录存储内容的操作每发生一次，这个数加一。
The record store also maintains a version, which is an integer that is incremented for each operation that modifies the contents of the record store.
记录存储还维护版本(version)，它是一个整数，修改记录存储内容的操作每发生一次，这个数加一。
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