单词：ferrite magnetic head
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This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Don't be fooled by those big bovine eyes and the mouth slowly chewing cudcows have a magnetic personality. At least thats the claim made by German researchers in the
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说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 kneel [ ni:l ] She knelt to pray. v. 跪
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The latest data from the twin Voyager spacecrafts suggest the outer edge of the solar system is not smooth but filled with giant magnetic bubbles. Scientists say the turbulent bubbles are the result of the interaction between the Suns magnetic field
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中国标准化规范大全英语词汇 通用计量术语及定义 General Terms in Metrology and Their Definitions 国家计量检定规程编写规则 The Rules for Drafting National Metrological Verification Regulation 流量计量名词术语及定义 Metrological Terms and Their Definiti
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Although audio tapes and video tapes look different, theyre based on the same principles. Each has a roll of magnetic material which slides past the so-called playback head in the VCR or cassette deck (cassette decks have one playback head, VCRs have
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How Your VCR holds a Note VCR-盒式磁带录像机VCR是Video Cassette Recorder的缩写盒式磁带录像机。就功能上而言，它是使用空白录像带并加载录像机进行影像的录制及存储的监控系统设备。VCR作为许多晚会
英语听力文摘 English Digest