“headtree”的概念、定义、翻译、参考文献-科学参考

单词	headtree
释义	headtree [`hed´trē] ^{MINING ENGINEERING} The horizontal timber placed at each side of a rectangular heading to support the headboard.
随便看	color-difference signal color disk colored smoke color emissivity color encoder color equation color excess color facsimile colorfast color film color filter color-filter effect color force color fringing colorimeter colorimetric photometer colorimetry color index coloring coloring agent color killer circuit color kinescope color lake color-magnitude diagram color medium

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。