带正负号大小数

TED演讲:摩尔有多大(2)

Now, back to the mole. Not that mole. 现在，回到摩尔，不是鼹鼠。 This mole. Yep, this number has a second name.The mole. 这个摩尔，没错，这个常数有另一个名字,摩尔. Chemists use the term mole to refer to the quantities

发表于:2018-12-18 / 阅读(37) / 评论(0)

TED演讲教育篇

每日一词【933】magnitude：强度、规模

今天我们要学的词是magnitude。 Magnitude, 意思是强度、规模。 An 8.8 magnitude earthquake struck central Chile early Saturday, 智利中部地区星期六早上发生八点八级地震。美国高尔夫球选手老虎.伍兹的母亲对

发表于:2019-01-19 / 阅读(41) / 评论(0)

英语每日一词

6.0 magnitude earthquake jolts Taiwan's Pingtung

BEIJING/TAIPEI, Feb. 26 (Xinhua) -- A 6.0 magnitude earthquake hit Taiwan's Pingtung at 10:34 Beijing Time (02:34 GMT) on Sunday, said the China earthquake network center (CENC). The epicenter was monitored at 22.8 degrees north latitude and 120.8 de

发表于:2019-01-19 / 阅读(82) / 评论(0)

英语新闻

5.6-magnitude quake hits off the east coast of Honshu, Japan -- USGS

HONG KONG, Dec. 8 (Xinhua) -- An earthquake measuring 5.6 on the Richter scale jolted off the east coast of Honshu, Japan at 23: 00:02 GMT on Friday (07:00:02 Beijing Time), the U.S. Geological Survey said. The epicenter, with a depth of 34.20 km, wa

发表于:2019-01-19 / 阅读(67) / 评论(0)

英语新闻

6.0 magnitude quake hits Indonesia, triggers panic

JAKARTA, Jan. 22 (Xinhua) -- An earthquake with magnitude of 6.0 jolted Aceh in northern tip of Sumatra island earlier Tuesday, triggered panic, but no damage and casualty has been reported yet, officials said here. The USGS reported that the quake w

发表于:2019-01-19 / 阅读(74) / 评论(0)

英语新闻

5.5-magnitude earthquake hits Southern California

LOS ANGELES, Aug. 26 (Xinhua) -- A swarm of earthquakes including one of 5.5-magnitude hit Southern California area near the Mexican border around noon Sunday, according to the U.S. Geological Survey. The quakes started to hit the area of Brawley at

发表于:2019-02-14 / 阅读(60) / 评论(0)

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