中位数中位值 三角形或梯形的中线中点亦作 midpoint中数 三角形或梯形的中线的中点的等分线的
The midpoint of the median of a triangle or trapezoid, also known as the midpoint of the median of a triangle or trapezoid, is the dividing line of the midpoint of the median of the triangle or trapezoid
以上为机器翻译结果，长、整句建议使用 人工翻译 。