by Jason Marshall In the last article, we learned that there are several ways to calculate the average value of a sample of data. We focused on one such method, the arithmetic mean, and used it to calculate the average number of potato chips in a bag

发表于:2019-01-02 / 阅读(109) / 评论(0) 分类 数学英语

by Jason Marshall In the last two articles weve learned how to calculate two types of average values: the mean and the median. Today, were going to continue where we left off and talk about how median averaging can be useful in everyday, real life si

发表于:2019-01-02 / 阅读(111) / 评论(0) 分类 数学英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 Scientific American(八)月

10. Social media manager 10.社交媒体经理 Median annual pay: $45,000 平均年薪:$45,000(¥279,338) Introverts don't dislike people, they just get exhausted by constantly being around them. But since social media managers specialize in v

发表于:2019-02-09 / 阅读(35) / 评论(0) 分类 阅读空间

Leaders 社论 Minimum wages 最低工资标准 The logical floor 多少才合理 Moderate minimum wages do more good than harm. They should be set by technocrats not politicians 实施适度的最低工资标准利大于弊,但是它们应该由技术

发表于:2019-02-19 / 阅读(45) / 评论(0) 分类 经济学人综合

Xavier: Look out! Put your foot on the brake! Xavier:小心!把脚放到刹车上! Brandy: I am braking. Brandy:我在踩刹车。 Xavier: No, your foot is on the gas pedal! Xavier:没有,你的脚在油门上! Brandy: Oh. Theres the br

发表于:2019-02-25 / 阅读(85) / 评论(0) 分类 英语口语