“cement”的概念、定义、翻译、参考文献-科学参考

单词	cement
释义	cement [si`ment] ^GEOLOGY Any chemically precipitated material, such as carbonates, gypsum, and barite, occurring in the interstices of clastic rocks. ^HISTOLOGY Calcified tissue which fastens the roots of teeth to the alveolus. Also known as cementum. ^{INVERTEBRATE ZOOLOGY} Any of the various adhesive secretions, produced by certain invertebrates, that harden on exposure to air or water and are used to bind objects. ^MATERIALS 1. A dry powder made from silica, alumina, lime, iron oxide, and magnesia which hardens when mixed with water; used as an ingredient in concrete. 2. An adhesive for the assembling of surfaces which are not in close contact.
随便看	phase portrait phase quadrature phaser phase ratio phase resonance phase response phase reversal phase reversal modulation phase-rotation relay phase rule phase-sequence relay phase shift phase-shift circuit phase-shift control phase-shift discriminator phase shifter phase-shifting transformer phase-shift keying phase-shift mutation phase-shift oscillator phase solubility phase-solubility analysis phase space phase speed phase splitter

科学参考收录了103327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。