Forcing the dependencies on interfaces allows you to provide a variety of implementation classes that implement the interface's contract.

强制对接口进行依赖，可以提供各种实现了接口的合约的实现类。

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As the operations offered by the classes are the same, you can use an interface to define a contract that all of your classes implement.

由于这些类提供的操作相同，您可以使用一个接口来定义一个所有类实现的协定。

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Every application should implement the source side of the share contract.

每个应用程序都应该实现分享契约中关于信息来源的那一半。

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Add to this mix legal and regulatory requirements that require extremely careful reporting of information, and it becomes clear that corporations must implement sound legal contract management principles in order to ensure the efficient use of both resources per se and those specifically within the scope of those agreements.

FORBES: Legal Contract Management And The Modern Enterprise

Pre-Sal Petroleo would also run a new contract system that allows the state to implement production-sharing agreements that would direct more of the oil windfall to the state than to the oil companies whenever the price of oil goes up.

FORBES: Brazil: Strategic Planning For Pre-Salt