容积数直径, 体积中数直径

数学英语 07 How to Calculate Median Values

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)

数学英语

数学英语 11 How to Use Median Averaging

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)

数学英语

购物英语对话-Buying a Pan(1)

A: I am looking for a pan. B: No problem. What size would you like? A: A big one would be nice. B: How about this one? It's our biggest16 in diameter. A: Oh, yes. I like that one. But it's too heavy. B: Okay, try this one. It's made of aluminum. A: O

发表于:2019-01-20 / 阅读(91) / 评论(0)

购物英语对话

社交苦手？最适合内向者的10大高薪职业

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)

阅读空间

经济学人500:最低工资标准多少才合理

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(43) / 评论(0)

经济学人综合

今天学学开车吧！

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)

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学英语单词

acne neonatarum

ansels

bleck

blow a kiss at someone

boron phenyl difluoride

brachionus angularis

Brachyostomata

brachysporium yamadaeanum matsuura

bretonnias

Bridge of Cally

britannicus