code chart about pie chart or tree chart

表格绘图控件,各种图形，如曲线图、饼图等。-Form drawing control, various graphics, such as graphs, pie charts, and so on.

针对汽车驾驶机器人采用常规PID控制时车速波动大、调节器参数调整困难等问题，提出了一种基于模糊自适应PID的汽车驾驶机器人车速控制方法。首先建立了汽车驾驶机器人多机械手协调控制模型，然后在 此基础上设计了-IIl view of the problems of large speed fluctuations and the tuning difficulty of regulator parameters when conventional PID control is used in

echarts.js，支持折线图、柱状图、散点图、K线图、饼图、雷达图、地图、和弦图、力导向布局图、仪表盘以及漏斗图，同时支持任意维度的堆积和多图表混合展现。-Echarts.js support line chart, histogram, scatter map, K line graph, pie chart, radar charts, maps, and chordal graphs, force directed layout, instrument panel and a funn