| 单词 | circular measure |
| 释义 | circular measure in British Englishnoun the measurement of an angle in radians circular measure in American Englishnoun a measurement system for circles: 1 circle = 360 degrees (4 quadrants); 1 quadrant = 90 degrees; 1 degree = 60 minutes; 1 minute = 60 seconds Word origin [1870–75]This word is first recorded in the period 1870–75. Other words that entered Englishat around the same time include: asymmetric, billing, fifth wheel, giveaway, upgrade |
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