“artificial cranium”的概念、定义、翻译、参考文献-科学参考

单词	artificial cranium
释义	artificial cranium Encyclopedia 工学人工骨释 artificial cranium人工颅骨用于修补人体缺损颅骨的生物材料（医疗器械）。狭义上特指合成材料制备的各类人工颅骨假体。广义上泛指各类颅骨修复体，包含自体骨（肋骨、胫骨、肩胛骨等）和异体（种）骨颅骨修复。
随便看	positive self-regard positive semi-definite positive semi-definite form positive semi definite Hermitian matrix positive semi-definite Hermitian matrix positive semi-definite kernel positive semi definite matrix positive semi-definite matrix positive semi-definite operator positive semi definite quadratic form positive semi-definite quadratic form positive semi-definite rational function positive semigroup positive semiorbit positive semi-trough positive sense positive sense single-stranded RNA virus positive sequence positive series positive side positive sidelight positive sign positive skewness positive solution positive species interaction

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。