视差椭圆

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute Happy New Year! And dont feel bad about taking today off. After all, youve traveled far. And Im not talking about the trip home from the party last night. According to N

发表于:2018-12-24 / 阅读(159) / 评论(0) 分类 Scientific American(一)月

美容行业必备英语词汇 椭圆形 ellipse 抬起 raise 部位、位置 position 机器 machine 冻结 freezing 旋转 revolve 美容 facial 美容室 Lesalon 美容院 beautysalon 美容师 beautician

发表于:2019-01-17 / 阅读(125) / 评论(0) 分类 实用英语

Tonight the moon looks bigger and brighter than usual. It is a Super Moon. Actually it is a full moon but also a perigree moon when it is the closest to the Earth during its orbit. These two events are happening together tonight. It last happened Mar

发表于:2019-01-27 / 阅读(141) / 评论(0) 分类 新西兰英语

Parallax is a phenomenon by which we can judge the distance to things just by looking at them. Astronomers use parallax to calculate the distance to stars. Do you need a gigantic computer-based observatory to use it? Not at all. Your finger will do n

发表于:2019-03-06 / 阅读(200) / 评论(0) 分类 英语时差8,16

Parallax 视差就是从有一定距离的两个点上观察同一个目标所产生的方向差异。从目标看两个点之间的夹角,叫做这两个点的视差,两点之间的距离称作基线。只要知道视差角度和基线长度,就

发表于:2019-03-09 / 阅读(173) / 评论(0) 分类 英语听力文摘 English Digest
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