1) changes in three turns
二次全等数方
1.
Through demonstrating changes in three turns,it restores to the former state going through 8 steps.
阐述九阶二次全等数方的构成特征，着重说明其串联泛对角线的组合原理。
2) number square of the second power
二次数方
3) quadratic congruence-hop codes
二次全等跳频码
1.
According to the characteristics of FH-OCDMA system,an upper bound on the code size is deduced and the quadratic congruence-hop codes(QCHC)which achieves this bound is presented,with examples given.
从跳频光码分多址(FH-OCDMA)系统的扩频特征出发,推导出具有良好相关性能的扩频码所能达到的最大码容量,再利用二次全等理论为跳频光码分多址系统构造出一种具有最大码容量的扩频码——二次全等跳频码(QCHC),并给出了构造实例。
4) quadratic integer square
二次整数方
1.
This paper also gives the definition of quadratic integer squares alone with the product between them and replace of proving the existence of pandiagonal magic squares of orders mn by proving the existence of pandiagonal magic squares of orders m and n respectively.
本文给出了二次整数方及其乘积的定义 ,化mn阶全对角线幻方的存在性为m阶和n阶全对角线幻方的存在性 。
5) quardratic algebraic inequality
二次代数不等式
1.
The generalized quardratic algebraic inequality is considered in this paper.
利用配方法和三次代数方程的求根公式,得到了一个推广的二次代数不等式。
6) congruent number square
双重全等数方
1.
The construction and evolution of congruent number square with eight steps and two repeats;
八阶双重全等数方的构造与演变
补充资料：输出反馈(见线性二次型次优控制)
输出反馈(见线性二次型次优控制)
output feedback
3h日c卜口fon以以{输出反馈型次优控制。(output王eedbaek)见线性二次
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