在高并行批处理领域中，比较困难的问题是操作控制，以及管理许多并发执行的作业。
A difficult challenge in the area of highly-parallel batch processing is operational control and managing the many jobs that are executing concurrently.
支持版本控制，这使得可以并行地开发测试脚本，并且可供分散在各个位置的分布式团队并发使用。
Version control support that enables parallel development of test scripts and concurrent usage by geographically distributed teams.
在并行实时数据库中，并发控制协议不仅要满足数据库一致性约束，而且要满足时间约束。
In parallel realtime database systems, concurrency control protocols must not only maintain the consistency constraints, but also meet time constraints.
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