英语语法分析

The tectonic-magmatic activity of the west of Tieling-Co-Jingyu mineralization belt had the features of multicycle.

铁岭—靖宇成矿带西段构造岩浆活动具有多旋回特点。

The existed single cycle optimization methods are reviewed, and a multicycle fuel management optimization method is presented.

在回顾现有单循环优化方法的基础上，叙述了一种处理多循环优化问题的方法。

The effective methods that increases resistance to multicycle impact for roller are to ensure that the roller has sufficient strength and plasticity and to adopt suitable shaped.

因此，保证滚子零件具有足够的强度与塑性，并采用合理的成形工艺，是提高滚子零件多冲抗力的有效方法。