“silent speed”的概念、定义、翻译、参考文献-科学参考

单词	silent speed
释义	silent speed [`sī·lǝnt `spēd] ^ENGINEERING The speed at which silent motion pictures are fed through a projector, equal to 16 frames per second (sound-film speed is 24 frames per second).
随便看	I/O Io IOCS iodargyrite iodate iodcyanin iodic acid iodic acid anhydride iodide iodide process iodine iodine-131 iodine bisulfide iodine cyanide iodine disulfide iodine number iodine pentoxide iodine solution iodine test iodine tincture iodine value iodized oil iodized salt iodoacetic acid iodoalkane

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