The data I cite are arithmetical averages, while, as Posner indicates, his data on household incomes are medians, or midpoints, of the distribution of household incomes.
我引用的只是数学计算的一个平均值，而波斯纳的数据却是家庭收入分配的中位数或者说中间点。
The problems about the midpoints of the chords cut by the taper curve are the most critical and difficult in analytic geometry problems.
直线被圆锥曲线截得弦的中点问题，是解析几何的重点和难点。
Temperature of needle tips, the puncture spots on skin and midpoints of needles were measured with semi-conductor thermistor digital thermometer.
使用数字测温仪测量针尖、皮肤进针点及二者中点的温度。
Temperature of needle tips, the puncture spots on skin and midpoints of needles were measured with semi-conductor thermistor digital thermometer.
使用数字测温仪测量针尖、皮肤进针点及二者中点的温度。
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