“sienna”的概念、定义、翻译、参考文献-科学参考

单词	sienna
释义	sienna [sī`en·ǝ] ^MATERIALS Any of various yellowish-brown earthy substances consisting of hydrated iron oxide occurring in limonite; becomes orange-brown when burnt and is generally darker and more transparent in oils than is ocher; used as pigment for oil paints and stains.
随便看	square degree square dome square-edged orifice square engine square-foot unit of absorption square grade square groove weld square-head bolt square-jaw clutch square joint square key square-law demodulator square-law detector square-loop ferrite square matrix square mesh squareness ratio square-nose bit square number square-on square planar molecule square root square-root law square-root transformation square search

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