Semantic annotations define the meaning of the inputs, outputs, preconditions and effects of the operations described in a service interface.
语义标注定义在服务中描述的操作的输入、输出、前提的含义以及操作产生的效果。
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It is almost always impossible to evaluate at the time events which you have already experienced, and to understand their meaning with the guidance of their effects.
The research indicates that Earth's climate may have multiple states based on this feedback cycle, meaning that the climate could change qualitatively in response to the effects of global warming.