第四纪地质图 meaning in Chinese

quaternary geological map

Through analyzing and researching the physiognomy map of hebei plain > the fourthly epoch map of hebei plain > engineering geology map of hebei plain , hydrogeology map of hebei plain . lithology map of the fourthly epoch and ancient watercourse map of hebei plain , achieving the fixation factors that control the arising and development of the ground fissures , such as , the earth ' s crust tress , the fourthly epoch lithology , the chancing of ground water table , active faults and ancient watercourse , and also making sure the exponents of each factors ; researching random factors , such as , precipitation . and agriculture irrigation , and making sure the exponents of each factors too
找出了地裂缝发展的周期，对地裂缝的发展趋势进行了预测；圈定了地裂缝发生敏感点。在分析河北平原第四纪地质图、地貌图、工程地质图、水文地质图、古河道图基础上，找出了河北平原地裂缝致灾固定因子如：地壳应力、第四纪岩性、地下水位埋深降幅、活断层和古河道，并确定划分各因子指数；研究地裂缝随机因子，如大气降水和农业灌溉，并划出各因子指数。