On the basis of studying, the marine reptile fossils in China have the vast quantity, multiplespecies and good reservation.
进一步的研究表明,中国三叠纪海生爬行动物化石数量比较丰富,种类多样;
2
Due to the existence of multiplespecies and RACES, and the quantitative inheritance of resistance, breeding for resistance to the pathogen has been slow.
由于该病病原菌存在多个种和小种以及对该病的抗性呈数量性状遗传,因此通过育种途径来改良抗性进展缓慢。
3
Most crops, Dr Wilcove suspects, are pollinated by multiplespecies, and so there might be room for one pollinator to be replaced by another.