prevalent是什么意思

双语用例

• Prevalent themes were identified and broad categories formed which were then subjected to more detailed data investigation of sub-categories nested within the broad categories.

• The current view, as summarized here, is not very different from that prevalent in the early 1970s.

• They argue that the red nuptial colouration may simultaneously signal both the degree of exposure to prevalent parasites and genetic resistance towards such parasites.

• Taken at face value the statistics seem to suggest a rapid and progressive displacement of traditionally prevalent attitudes which were unfavourable to childbearing outside marriage.

• In the third category, the most prevalent factors were found to be those associated with the mental status of the patient.

• Indeed, the resistant trait will only become prevalent under the selective pressure exerted by the parasite, provided no significant costs are linked to the attribute.

• Several genetic alterations are more prevalent in one tumour subtype than in others.

• In both studies the proportions not using contraceptives, or using less reliable ones, were higher than in this study; seeking advice was also less prevalent.