“reciprocal leveling”的概念、定义、翻译、参考文献-科学参考

单词	reciprocal leveling
释义	reciprocal leveling [ri`sip·rǝ·kǝl `lev·ǝ·liŋ] ^{CIVIL ENGINEERING} A variant of straight differential leveling applied to long distances in which levels are taken on two points, and the average of the two elevation differences is the true difference.
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