One reason for this is the difficulty programmers have in obtaining a coherent and comprehensive view of the interactions of concurrent processes.
其中一个原因是，程序员很难对并行进程的交互过程有全面和一致的认识。
During maintaining the materialized view in the data warehouse, how to efficiently handle the concurrent updates is an important and intractable problem.
在数据仓库的实化视图维护处理中，如何有效地处理并发更新是一个重要而又棘手的问题。
Meanwhile, data update and schema change are possible to coexist under the concurrent environment which brings about many problems to view maintenance.
在并发环境下，数据更新和模式更新极有可能同时存在，这对视图维护工作带来极大的困难。
Based on the analysis of view maintenance anomaly, the concurrent updates are found to be one of the main reasons that cause view maintenance anomaly.
通过对视图维护过程中的更新异常进行分析，发现并发更新是导致视图维护异常的主要原因。
In the paper, we expatiate an application of Multi-view response in aircraft design and concurrent engineering.
该文主要讲述的是多视图响应技术在飞行器设计并行工程中的应用。
Can't save or delete the exploration view set due to a concurrent access.
中文原译由于并发访问而无法保存或删除发掘视图集。
Can't save or delete the exploration view set due to a concurrent access.
中文原译由于并发访问而无法保存或删除发掘视图集。
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