“infrared optical material”的概念、定义、翻译、参考文献-科学参考

单词	infrared optical material
释义	infrared optical material [¦in·frǝ¦red `äp·tǝ·kǝl mǝ´tir·ē·ǝl] ^{ELECTROMAGNETISM} A material which is transparent to infrared radiation.
随便看	spark chamber spark coil spark-coil leak detector spark counter spark discharge spark excitation spark explosion method spark gap spark-gap generator spark-ignition combustion cycle spark-ignition engine sparking potential sparking voltage spark killer spark knock spark lead sparkle metal spark machining sparkover sparkover-initiated discharge machining sparkover voltage spark photography spark plate spark plug sparkproof

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