Freon-free
[形]《環境》フレオンフリーの(◇フロンを含まない製品をさす)
freq.
frequency;frequent;frequently;frequentative
frequence
[名]=frequency 2
frequency
[名]1 UC頻度,度数,(一定期間内の)回数;脈拍数2 U(…の)頻発≪of≫the frequency of earthquakes [crimes]地震[犯罪]の頻発with increa...
frequency assignment
《通信》周波数割当
frequency band
《電気》周波数帯
frequency distribution
《統計》頻度分布
frequency modulation
《通信》1 周波数変調2 FM放送(略FM)(⇒amplitude modulation)
frequency response
《通信》周波数応答
frequent
[形]1 たびたび[しばしば,頻繁に]起こる,頻発する;(時間的に)間隔の短いat frequent intervals頻繁にmake frequent trips to Tokyo東京へしばし...