1) once optical fiber excess-length
一次余长
2) second optical fiber excess-length
二次余长
3) congruence of first degree
一次同余
4) system of linear congruence equations
一次同余方程组
1.
The topic of system of linear congruence equations is extremely useful in number theory.
文中考虑的是具有一个未知数而具有不同的模的一次同余方程组。
5) linear congruence expression series
一次同余式组
1.
With the help of constructing matrix and applying elementary transfor-mation, this paper gives the simple and useful solution of the following three prob-lems in elementary number theory:greatest common factor and its times sum, in-definite equation, linear congruence expression series.
本文借助构造矩阵和施行初等变换,为初等数论中以下三个问题提供了简便实用的解法:最大公因数及其倍数和、不定方程,一次同余式组。
6) once-through penetration length
一次透照长度
1.
Through the analysis to the concepts of once-through penetration length and the deduction of the formula of the method of inner penetration of circular bead at off-center locationand the Calculation and the comparison between the defferentresults, the anthor makes an approach to the formula 4.
通过对一次透照长度概念的分析以及对环焊缝内透偏心法(F
补充资料：长余
1.多馀。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条