矩

[jù,jǔ]

• rule
• carpenter's square
• quadrature
• trisquare
• moment
• square

参考释义

矩 [jǔ]

• -

例句

1. 矩，动差任意变量的正整数功效的期望值。第一个矩是分配的平均数
   The expected value of a positive integral power of a random variable. The first moment is the mean of the distribution.
2. 人们使用轧机把材料加工成各种形状，如圆棒材、方棒材和矩形棒材。
   A rolling mill is used to form the material into various form such as round rod, square or rectangular bar.
3. 他们做生意规矩吗？
   Is their business on the square?

短语

• 规矩
• 轨