quaternary climate中文什么意思
第四纪气候
- quaternary: adj. 1.四个一组的;由四部份组 ...
- climate: n. 1.气候;水土,风土;地带。 ...
- imidazolium quaternary: 咪唑啉季铵盐
例句与用法
- In the warm period , the aquatic bivalvia was well - developed , and the gastropod fauna was obviously prosperous and characteristic by large amount of the aquatic species . the alternative appearance of both cold and the warm mollascan assemblage tpyes reflects the features of the quaternary climate changes in this area
在冷期因气候干燥,环境中水量减少,腹足类化石以陆生肺螺类最为发育;在暖期水生双壳类较为发育,腹足类群明显繁盛,以水生种类的大量出现为特征。