The Quaternary Period的意思|示意

The west branch fault has been of strongly active since the Quaternary period and its activity is of difference at different segements.

西支断裂第四纪以来活动强烈且具明显的差异性，东支断裂从晚第三纪末起已停止活动。

The steady (subsidence) stage of the Quaternary was the period of biogas accumulation.

第四纪盆地稳定沉降阶段为生物气聚集成藏时期。

The glacier influence of Quaternary Period affect soil development obviously;

土壤发育受第四纪冰川影响明显，成土年龄短；

The Cenozoic era is composed of tertiary period followed by quaternary period.

新生代是由第三纪和第四纪组成的。

H. Rotary used in conjunction with slurry pump can be used for the drilling of rock, slurry wall for loosen stratum of the Quaternary period and deep hole drilling in.

回转配用泥浆泵进行岩石钻进及第四纪松散地质层的泥浆护壁和深孔钻进。

Woolly mammoths died out during the late quaternary period.

猛犸象在第四纪晚期灭绝了。