单词 | multiple echo |
释义 | > as lemmasmultiple echo multiple echo n. a succession of echoes from the same sound. ΚΠ 1727–52 E. Chambers Cycl. at Echo A multiple echo may be made, by so placing the echoing bodies, at unequal distances, as that they may reflect all one way. 1863 E. Atkinson tr. A. Ganot Nat. Philos. §193 Multiple echoes are those which repeat the same sound several times; this is the case when two opposite surfaces..successively reflect sound. 1998 Proc. National Acad. Sci. U.S.A. 95 12647/2 Echolocating bats indeed can discriminate differences of less than 1 mm in..the texture of granular surfaces..from the structure of the multiple echoes they reflect. < as lemmas |
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