“long-playing record”的概念、定义、翻译、参考文献-科学参考

单词	long-playing record
释义	long-playing record [`lȯŋ ´plā·iŋ `rek·ǝrd] ^{ENGINEERING ACOUSTICS} A 10- or 12-inch (25.4- or 30.48- centimeter) phonograph record that operates at a speed of 33¹/₃ rpm (revolutions per minute) and has closely spaced grooves, to give playing times up to about 30 minutes for one 12-inch side. Also known as LP record; microgroove record.
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