1) quick trickle arrange
全距排列
1.
According to the quick trickle permutation,introduce the concept of quick trickle arrange,discusses the corresponding relation bittern their and its properties,and provide a kind of structure method for it.
根据全距置换,引入了全距排列的概念,讨论了全距排列与全距置换的对应关系及其性质,并由此给出了全距置换的一种构造方法。
2) pitch order
节距排列
1.
Identification for periodicity and pitch order of low noise tread patterns;
低噪声轮胎花纹的周期性和节距排列辨识
3) arrayed pitch
排列间距
1.
This article discusses an optimized ratio between the LED arrayed pitch and the lamp cavity depth in the LED backlight design.
通过理论分析与实验证明得到LED背光设计时最优化的LED排列间距与灯腔高度比,通过此优化的比值关系可以为设计光能损耗低、背光厚度薄且均匀性高的背光产品提供一定的数据依据。
4) open spread
开距排列
5) spread length
排列距离
6) full permutation
全排列
1.
This article relates to the process of n-order matrix, the full permutation of n×n elements which is implemented by C++ program language, and resolves the problem of which traditional programming method can not implement the full permutation of all elements in that matrix.
探讨了n阶矩阵n n个元素的全排列用C++程序语言的实现过程,解决了传统编程方法无法实现矩阵的所有元素的全排列的难题。
2.
The author infers from of the recurrence the formulas of full permutation,selected permutation, repeaed permutiation, combination,repeated combination,and solves problems in permutation and combination through examples.
此文用递推法推出全排列、选排列、重复排列、组合和重复组合的公式,并举例用递推法解排列、组合问
补充资料：胎面花纹块节距
分子式：
CAS号：
性质：由轮胎胎面中心线测得的同一侧相邻两花纹块前端之间的距离。等节距花纹胎面模具加工容易，但在高速行驶时易产生噪音；不等节距胎面花纹块模具加工复杂，但高速行驶时不易产生噪音。故高速轮胎均采用不等节距花纹块。
CAS号：
性质：由轮胎胎面中心线测得的同一侧相邻两花纹块前端之间的距离。等节距花纹胎面模具加工容易，但在高速行驶时易产生噪音；不等节距胎面花纹块模具加工复杂，但高速行驶时不易产生噪音。故高速轮胎均采用不等节距花纹块。
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