Chemistry. a division of a group in the periodic table.
Mathematics. a subset of a group that is closed under the group operation and in which every element has an inverse in the subset.
更多subgroup例句
The vaccine’s efficacy rate was lower — 42 percent — in preventing moderate to severe illness in a subgroup of adults older than 60 who had medical risk factors.
This means in the other subgroups, there were slight decreases or no effect on drunk driving.
While the company provided numbers for how many trial participants were over 65 and from various ethnic communities, the company didn’t say how the vaccine performed in each of these subgroups.
It isn’t known how well the shot works in key subgroups, such as the elderly.
It would be a red flag, he said, if officials are heavily encouraging people who weren’t well represented in the trials to take the vaccine, or if there’s not public data on how effectiveness varied for different subgroups.
Heroin overdose deaths from 2010 to 2012 increased in every single subgroup examined in the CDC report.
I think one of the main issues would be that there may be a subgroup of people who may run into problems with compulsive use.
It means treating women not as some alien species or subgroup.
There's a subgroup that both attends and mocks, but it's tiny.
Integrated Jews are not a foreign subgroup in France or Canada.
The growth of cities is the visible sign of an upward movement of labor in the subgroup series.
If improvements were long confined to one subgroup, they might send labor into other subgroups and even into other general groups.
Some naturalists make this genus the type of a distinct subgroup, Centurioneae.
On no other evidence would we be justified in ascribing 200 persons to each subgroup.
In 1839, Waterhouse referred the genus Geomys to his family Arvicolidae, considered by him to be a subgroup of muroids.