root-proof的意思|示意

美 / ru:t pru:f / 英 / rut pruf /

(地下管道的)防树根破坏


root-proof相关短语

1、 root-proof layer 隔根层

root-proof相关例句

This paper, by examples, introduces the application of triple root in the calculation and proof of complex number, and exact division in multinomial.

本文通过几个例子介绍了三次单位根在复数计算、证明与多项式整除中的应用。

In this paper, a theorem of primary root exists as a couple in the Number Theory was suggested, and detailed mathematic proof was given.

首先提出了数论中的原根成对存在定理,并进行了详细的数学证明。

Without proof-- - you will see this if you ever take 803-- I will tell you that the speed of sound is the square root of Young's modulus divided by the density of the material.

现在不证明-,你们将在803章学到-,我告诉你们声速,是杨氏模量的平方根,除以介质的密度。