As an example of refinement of detail: A logic system may have two opposing inputs, e. g. , a command to open and a command to close, which do not normally exist simultaneously;

作为细节改进的示例：逻辑系统可以具有两个相反的输入，例如，通常不同时存在的打开命令和关闭命令；

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In my view, Japan has already signalled that decision with its actions at the G-7 Tokyo Economic Summit opposing an unequivocal endorsement of making the NPT open-ended.

CENTERFORSECURITYPOLICY: Center For Security Policy