| 单词 | radial symmetry |
| 释义 | > as lemmasradial symmetry radial symmetry n. chiefly Biology symmetry about a central axis; rotational symmetry. ΚΠ 1866 Philos. Trans. (Royal Soc.) 156 625 The Echinoderms never exhibit a perfect radial symmetry. 1929 Amer. Jrnl. Bot. 16 552 The essential feature is that the stamens, carpels, and perianth segments occur in threes or multiple of three arranged in radial symmetry. 1960 M. Schapiro in Israel: Anc. Mosaics (N.Y. Graphic Soc.) Pref. 12 In the middle panel, the strictness of the radial symmetry is broken or loosened. 2002 H. J. Morowitz Emergence of Everything xiv. 107 Colenterates have a considerably more organized body plan with a radial symmetry. < as lemmas |
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