definitionsn.定义名词definition的复数形式.definitionn.定义；阐释；清晰度Definition and essential定义及本质definition of obligation债的定义definition of industries产业界定definitional abstraction定义抽象说明Definition of monitoring监视的定义Definition of fuzzy data模糊数据定义definition of philosophy哲学的定义definition and structure定义与结构definition of prehension关于领悟的定义definition of derivative导数定义

1. Block is used to define the heading of either a table or definition list.
   块用于定义表或定义列表中的标题。