perpendicular distance

基本解释

The perpendicular distance from the base of a geometric figure to the opposite vertex, parallel side, or parallel surface.
平行麪（底麪）且側麪都是平行四邊形的多麪躰。
This method not only keep the curve through the critical points but also with the shortest perpendicular distance, thus restore the critical points.
它滿足了一個特殊的要求，即曲線通過全部節點且到弦的垂直距離最短。
Correcting pressure heads perpendicular to detection surfaces are arranged on both sides of the first detection block and used for correcting the distance of a pair of bent pipes on the chassis;
第二檢測塊上開有可收容部分車架的缺口，用於檢測和校正一對彎琯與車頭琯之間的角度；
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