这就要求系统能对事务的执行进行预分析与预安排。

This requires that the system preanalyze and preplan the execution of transactions.

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因此有必要对嵌入式实时事务进行有效预分析和预处理，以支持实时事务实现定时限制。

So it is necessary to make efficient preanalysis and preprocess on the em-bedded real-time transactions for supporting the implementation of real-time transaction's timing constraint.

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最后考虑已有的大气温度场的测试资料，对主缆施工阶段的温度效应问题进行了预分析。

Finally, considering the existing atmosphere filed data, the temperature effect of main cable under construction is pre-analyzed.

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