“letterpress”的概念、定义、翻译、参考文献-科学参考

单词	letterpress
释义	letterpress [`led·ǝr´pres] ^{GRAPHIC ARTS} A method of printing by impressing paper on a raised inked surface; the oldest printing process, it employs type or plates cast or engraved in relief on materials such as metal, wood, or rubber. Also known as relief press.
随便看	upper mixing layer Upper Ordovician Upper Pennsylvanian Upper Permian upper punch upper ridge upper semicontinuous decomposition upper semicontinuous function upper sideband Upper Silurian upper transit Upper Triassic upper trough upper winds up quark upright uprush UPS upset upsetted moraine upsetting test upset welding upsilon particle upslope fog upslope time

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