单词 | quadrat |
释义 | quad·rat (kwŏdrət, -răt′) n. 1. Printing A piece of type metal lower than the raised typeface, used for filling spaces and blank lines. Also called quad2. 2. Any of a group of small, usually rectangular plots of land used for sampling the occurrence of species or of archaeological artifacts. [Middle English, a square geometric instrument, rectangular area; see QUADRATE.] |
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