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单词	ultralow frequency
释义	ultralow frequency noun : a radio frequency in the lower range of the radio spectrum from about 300 Hz to 3 kHz Communicating with subs thousands of miles away, under thousands of feet of ocean, requires ultralow frequencies … Noah Shachtman, Wired, August 2009 —abbreviation ULF see Radio Frequencies Table Word History First Known Use 1994, in the meaning defined above
随便看	conducts conductus conduit conduit box conduit system conduits condulet conduplicate conduplications condy condy's fluid condyl- condylar condylarer condylarest condylarrer condylarrest condylarth Condylarthra condylarthrous condyle condyles condylo- condyloid condyloma

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