Stratum
01
層, 地層
(geology) a distinct layer of rock or sediment
02
層, 階層
a distinct layer or level within a system, often conceived as having depth or hierarchy
例
In the social stratum of the society, the upper class held considerable wealth and power.
社会の社会的階層において、上流階級はかなりの富と権力を保持していました。
03
層, 階層
a subpopulation divided into a stratified sampling
04
層, 階層
a group of people with similar social standing, education, or income
例
The study focused on the middle-income stratum of society.
この研究は社会の中間所得層 stratum に焦点を当てた。
05
層, 階層
a distinct layer or level within a language system, such as different dialects, sociolects, or registers, that are associated with specific social groups, regions, or levels of formality



























