为了克服对形点的观测困难，该文又提出了形点高的推定式，便于发挥外业调查的工作效率。

They also worked out an upward deduction equation in form point height h-2 to conquer difficulties in surveying form points, and increase the efficiency of fores.

youdao

三角形的三个高共点。

The 3 altitudes of a triangle are concurrent .

youdao

控制电机高开显示器的可见度是有保证的20点条形图和数字显示。

High visibility of control motor opening display is assured with 20 dots bar graph and digital display.

youdao