control plot meaning in English

标有检查点的航行图
对照区
对照小区
控制点位置图

The control plots two curves along with a legend
该控件绘制两条带有图例的曲线。
Minor control plot
次等控制展点图
The hardness and density of high yielding soils were lower than those of the control plot soils
高产稻田土壤硬度和容重比对照田块的低。
A framework to prevent over - concentration in the metro area should be provided to control plot ratio in the urban area to reduce environmental impact
宜制定规划大纲，以避免发展过分集中于都会区，藉以控制市区的地积比率，从而减低对环境的影响。