A lot of their work comes down to measurement—everything from the exact angle of a swimmer's dive to the second-by-second power output of a cyclist.

他们的许多工作都归结于测量——从游泳运动员跳水的准确角度，到自行车运动员每秒的动力输出。

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As Venus was closer to the Earth, its parallax angle would be larger, and Halley worked out that by using Venus it would be possible to measure the Suns distance to 1 part in 500.

由于金星离地球更近，所以它的视差角会更大。哈雷计算出，利用金星可以测量出太阳与地球之间的距离，误差为五百分之一。

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According to scientific results, on Winter solstice, a right angle is formed by the sun and the tropic of carpricorn.

根据科学的结果，在冬至，太阳和南回归线形成了一个直角。

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So we have if, and that is followed by, I'm going to use angle braces here just to indicates something goes in here, some test followed by a colon.

那么我写了if，后面跟着，我这里会用一个角括号,来代表这里有些东西，冒号后面跟着一些测试。

麻省理工公开课 - 计算机科学及编程导论课程节选

The 2.8-inch, 461k-dot capacitive touchscreen is fixed at a slight angle, making it possible to take overhead and lower-angle shots simply by rotating the entire camera.

ENGADGET

At its best, RadioAstron will be able to resolve points separated by an angle of just 7 microarcseconds, about 10, 000 times the resolution of the Hubble Space Telescope.

FORBES: Russian Launch: a Bid for Largest Telescope Ever

They will also attempt to change the direction of Ikaros by altering the angle of the sail.

BBC: Mini-camera pictures Japan's Ikaros solar sail