对于每个编排活动，您会在映射前后，看到所有变量的输入和输出值。

For each of the orchestration activities, you can see the input and output values for all variables before and after the mapping.

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例如，必须用参数形式包括进类型信息，必须用函数形式返回值和所有变量的类型。

For example, you must include type information with arguments, return values with functions, and types for all variables.

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如果事务内的值发生更改，则将更改的值传播回本地环境和所有后续(新的和恢复的)事务。

If the value is changed within a transaction, the changed value is propagated back to the local environment and to all subsequent (new and resume) transactions.

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