这样，在大部分情形下，加载具有相同主版本号和更高次要版本号的程序库是安全的；而加载主版本号更高的程序是不安全的行为。

So under most circumstances, it is safe to load a library with the same major number and a higher minor number; consider it an unsafe practice to load a library with a higher major number.

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每一种类型都定义了许多标准特性，这些特性可以在大部分的管理事件中发现，并且可以扩展这些特性以添加事件和特定情形下的数据。

Each category defines a few standard properties that are found in most management events and can be extended to add event and situation-specific data.

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这批作者们描述了IPCC假设在缺乏气候政策的情况下，将来的减排大部分将自然而然地发生，这种设想从最好的情形讲过于乐观，从最坏的情形来讲则无法实现。

They describe the IPCC's assumption that the majority of future emission reductions will occur spontaneously, in the absence of climate policies, as "optimistic at best and unachievable at worst".

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