A special class of difference set pairs is equal to the perfect binary arrays pairs.

差集偶是一类新的组合设计，一类特殊的差集偶与最佳二进阵列偶是等价的。

youdao

A special class of difference set pairs is equal to the perfect binary arrays pairs.

本文提出了一类新的区组设计———差集偶的概念。

youdao

We obtained necessary conditions for the existence of perfect binary sequences, and presented a direct construction for a class of difference sets pairs.

我们得到了最佳二进序列存在的必要条件，给出一类差集偶的直接构造方法。

youdao

First of all, as I said, this class is a class about making a difference in people's lives.

首先，正如我刚才说的，这门课是关于如何改变生活。

哈佛公开课 - 幸福课课程节选

Middle-class shoppers split the difference, discreetly downloading entire catalogs of Bollywood hits to their phones from local shop owners.

FORBES: Magazine Article

Depending on the number of first-class seats available, if a coach takes one over a player, then one player, as determined by the union, is entitled to be paid the difference between the value of the first-class seat and the value of the coach seat he was forced to endure.

FORBES: How To Travel Like The Pros

Lieberman was the primary investigator for a government-funded clinical trial that showed there was little difference in how long patients stuck with the new class of antipsychotics, like Zyprexa and Risperdal, vs. the older, cheaper variety, such as Haldol.

FORBES: Pharmaceuticals