| 单词 | angle of depression |
| 释义 | angle of depressionnoun Surveying.the angle between the line from an observer or instrument to an object below either of them and a horizontal line. Compare angle of elevation Origin of angle of depressionFirst recorded in 1780–90 Words nearby angle of depressionangle of anomaly, angle of attack, angle of bank, angle of climb, angle of convergence, angle of depression, angle of deviation, angle of dip, angle of eccentricity, angle of elevation, angle-off Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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