n. 单位, 分队, 部队, 单元, 部件, 装置

a. 单位的, 单元的

[计] 单元常数; 部件

n. an individual or group or structure or other entity regarded as a structural or functional constituent of a whole

n. an organization regarded as part of a larger social group

n. a single undivided whole

n. a single undivided natural thing occurring in the composition of something else