请输入您要查询的字词:
单词
龙骨
释义
龙骨
Encyclopedia
医学
重镇安神药
释
bone fossil of big mammals
龙骨
重镇安神药。又称煅龙骨。始载于《神农本草经》。古代哺乳类动物象类、犀类、鹿类、三趾马、牛类等骨骼的化石。
理学
鸟纲(化石)
释
keel
龙骨
地质学特别是古生物学领域,是古代脊椎动物的骨骼和牙齿化石的统称,特别是第三纪后期和第四纪的哺乳类(如象、犀牛、马、鹿、骆驼、羚羊等)的骨骼和牙齿化石。
随便看
sequence of independent events
sequence of intersecting lines
sequence of iterations
sequence of lattices
sequence of levels
sequence of likelihood ratios
sequence of mappings
sequence of natural numbers
sequence of numbers
sequence of partial sums
sequence of points
sequence of positive type
sequence of quotient groups
sequence of random variables
sequence of rational numbers
sequence of series
sequence of sets
sequence of signs
sequence of statistics
sequence of stellar spectra
sequence of sub-dwarfs
sequence of sub-giants
sequence of subsets
sequence of supergiants
sequence of symbols
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/10/24 8:52:25