拟奇异顶点

I do, of course like people to enjoy my work, no question about it. The 1) durability of the idea, the 2) relevance of its durable, it’s more important to me. But that doesn’t mean that I’m not

发表于:2018-11-28 / 阅读(123) / 评论(0) 分类 疯狂英语2002年

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(72) / 评论(0) 分类 数学英语

Grammar Girl here. Today well be talking about indefinite pronouns such as everyone and somebody. Now, guest-writer Bonnie Trenga writes, Everyone Versus Everybody Lately, listeners have asked a lot of questions about indefinite pronouns, such as eve

发表于:2019-01-06 / 阅读(63) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. Today's topic is generic personal pronouns. Nolan in Victoria, British Columbia, asked the following question: Just wondering about whether to use she or he in terms of giving examples. Since she was written out of the literature f

发表于:2019-01-07 / 阅读(57) / 评论(0) 分类 英语语法 Grammar Girl

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 Scientific American(十)月

图 graph 子图 subgraph 有向图 digraph(directed graph) 无向图 undigraph(undirected graph) 完全图 complete graph 连通图 connected graph 非连通图 unconnected graph 强连通图 strongly

发表于:2019-02-01 / 阅读(63) / 评论(0) 分类 实用英语