| 单词 | principle of coincidence |
| 释义 | principle of coincidence [`prin·sǝ·pǝl ǝv kō`in·sǝ·dǝns] ENGINEERING The principle of operation of a vernier, according to which the fraction of the smallest division of the main scale is determined by the division of the vernier which is exactly in line with a division of the main scale. |
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