求翻译：4.对整体式桥台-桩-搭板建立有限元模型，研究其应力分布情况，对搭板的设置以及反射裂缝的防治提出若干建议。是什么意思？

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4) to the overall style - pile-up 2,700,000 GEM build Finite element models to study the stress distribution of structures, as well as the settings of reflective cracks to combat a number of recommendations.

4. pair of integral-type abutment - pile - builds the board establishment finite element model, studies its stress distribution situation, to builds the board the establishment as well as reflection crack preventing and controlling puts forward certain proposals.

4. integral bridge abutment-finite element model of pile-slab building, study on the stress distribution of set and the prevention of reflection cracks on slab made several recommendations.

4. integral bridge abutment-finite element model of pile-slab building, study on the stress distribution of set and the prevention of reflection cracks on slab made several recommendations.