| 单词 | 测定距离 |
| 释义 | 〔strobe〕A spot of higher than normal intensity in the sweep of an indicator, as on a radar screen, used as a reference mark for determining distance.作参照的指示点：在指示器的扫描中如在雷达屏幕上强度离于一般的点，用于测定距离的参照标记〔tachymeter〕A surveying instrument used for the rapid determination of distances, elevations, and bearings.速测仪：一种用来迅速测定距离、高度和方位的测量仪器 |
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