采用cDNA探子来测定肽激素的这一分子生物学方法同时也应该比免疫学的方法速度来得快,因为对于免疫的方法来说,需耗费好几年枯燥的提纯进程,方能将肽素分离了出来,然后再培养出针对它们的抗血清。
42.This succession was based primarily on a series of deposits andevents not directly related to glacial and interglacialperiods,rather than on the more usual modern method of studyingbiological remains found in interglacial beds themselvesinterstratified within glacial deposits.
这一序列演替所依据的,主要是一系列与冰川期和间冰期并不直接相关的地质沉积物和地质事件,而不是依据更为普遍的现代方法,去研究间冰层中所发现的生物残留物,而这些间冰层本身又在冰川沉积物发生间层化。
43.There have been attempts to explain these taboos in terms ofinappropriate social relationships either between those who areinvolved and those who are not simultaneously involved in thesatisfaction of a bodily need,or between those already satiatedand those who appear to be shamelessly gorging.
人们试图对这些禁忌作出解释,所依据的要么是那些正置身于某一身体需要满足的人与那些并置身于某一身体需要之满足的人之间的,要么是那些早已酒足饭饱的人与那些正在不知羞耻地狼吞虎咽失之间的不相称的社会关系。
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