plot a line定线
line plot线图;吊杆图解;线条图;实现画折线的
hidden line plot隐藏线绘图;[计] 隐线绘图
on-line plot联机绘图
Fitted Line Plot拟合线图
off-line plot脱机绘图
D Line Plot二维线图
line-plot survey线区调查
line-plot水平样线法
N-COUNT（可数名词） The plotline of a book, film, or play is its plot and the way in which it develops. 情节主线; 主要情节
The plotline is similar to that of many other movies.
该主要情节与其他众多电影的主要情节相似。