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单词	kilohertz
释义	kilohertz /ˈkɪləhəːts / (abbreviation kHz) noun A measure of frequency equivalent to 1,000 cycles per second.By comparison, a typical AM radio station operates in the kilohertz range, or thousands of cycles per second.... Modern tubes approach that ideal by drawing power at such high frequencies - tens of kilohertz - that the x-ray output is steady apart from a ripple of a few percent. Most bats emit sonar at ultrasonic frequencies around 20-60 kilohertz (humans hear up to 20 kHz), and this is the range at which hearing moths are most sensitive!
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英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。