The third anticline belt have low structural height and are folded lately in the form of fault propagation folding or pop-up structures.

第三排构造构造幅度较弱，形成时间较晚，大多为断层传播褶皱或突发构造等样式。

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The cla ic compiler optimizatio, such as dead co de elimination, co tant folding, co tant propagation, elimination of partial redundancies, loop unrolling, etc. , are static analyses.

典型的编译器最优化，如死代码消除、常数合并、常数传送、部分冗余的消除、循环展开等等，是静态分析。

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