It has a valid digital signature indicating its name and its publisher, which helps to ensure that the program is what it claims to be.
它具有指明其名称和发行者的有效的数字签名，该数字签名可以帮助确保该程序正是其所声明的程序。
In general, each particular name is valid only within some possibly discontiguous portion of program text called its scope.
通常情况下，每个特定的名字仅在程序中某些被称为该名字的作用域的不连续区域中有效。
In general, each particular name is valid only within some possibly discontiguous portion of program text called its scope.
通常情况下，每个特定的名字仅在程序中某些被称为该名字的作用域的不连续区域中有效。
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