| 单词 | relative speed |
| 释义 | relative speed The country has a significant network of private medical testing labs which enabled health authorities to react with relative speed. Times,Sunday Times The law states that the greater the distance between any two galaxies, the greater their relative speed of separation. Retrieved from Wikipedia CC BY-SA 3.0 Helical scans increase the relative speed of the tape surface over the head. Retrieved from Wikipedia CC BY-SA 3.0 Hence, one can calculate the relative speed of each arm of our galaxy. Retrieved from Wikipedia CC BY-SA 3.0 The system was entirely mechanical, and worked by measuring the relative speed of two spinning disks. Retrieved from Wikipedia CC BY-SA 3.0 |
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