同步策略会保证事务支持，从而保证任务的可靠性。
Synchronization strategies ensure transaction support and therefore the reliability of the task.
事务支持是通过保证任何资源的状态变化都是同步的，从而保证可靠性。
Transaction support ensures reliability by guaranteeing that changes in state of any resource are synchronized.
如，连线可以被定义同步的或异步的，支持组件调用的事务行为等。SCA在幕后处理这些底层细节。
For example, wires can be defined to be synchronous or asynchronous, support transactional behavior of components invocation, etc. SCA handles this infrastructure details under the covers.
基础设施——这一基础设施提供了对可重用性的支持，对重复和重试的低层支持，对事务同步的支持，以及对读写普通文件、XML和数据库的支持。
Infrastructure - This provides reusable, low-level support for repeat and retry, transaction synchronization, reading to and writing from flat files, XML and databases.
基础设施——这一基础设施提供了对可重用性的支持，对重复和重试的低层支持，对事务同步的支持，以及对读写普通文件、XML和数据库的支持。
Infrastructure - This provides reusable, low-level support for repeat and retry, transaction synchronization, reading to and writing from flat files, XML and databases.
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