Backwards or Forwards Compatibility mode, triggered by the version standard attribute.

version标准属性触发的向后或向前兼容模式。

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Note - the terms "backwards compatibility" and "forwards compatibility" are explained in the description for Compatible Change (465) in Chapter 16.

注：这里的“向后兼容”和“向前兼容”在第16章的兼容性变更(Compatible Change, 465)里有具体介绍。

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Loose - Any incompatible change results in a new version of the service contract and the contract is designed to support backwards compatibility and forwards compatibility.

松散——所有不兼容的更改导致服务契约的新版本，且服务契约的设计既支持向后兼容，也支持向前兼容。

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