linear
adjective uk/ˈlɪn.i.ər/ us/ˈlɪn.i.ɚ/
(LINES)
线的，直线的，线性的
consisting of or to do with lines
a linear diagram 线性图
(LENGTH)
[ before noun ]长度的
relating to length, rather than area or volume
linear measurement 长度单位
(CONNECTION)
连续的，连贯的；线性的
involving a series of events or thoughts in which one follows another one directly
These mental exercises are designed to break linear thinking habits and encourage creativity. 设计这些思维训练旨在打破线性思维习惯，激发革新所需的创造思维。
The movie has a non-linear plot. 这部电影的情节是非连贯性的。
（关系）直接的，明显的
A linear relationship between two things is direct or clear.
Is there a linear relationship between salaries and productivity? 薪水和生产效率有直接联系吗？