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    <duration>00:04:05</duration>
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    <title>
      <string language="zh">热与冷</string>
    </title>
    <keyword>
      <string language="zh">热能</string>
    </keyword>
    <keyword>
      <string language="zh">感觉</string>
    </keyword>
    <keyword>
      <string language="zh">生物科学</string>
    </keyword>
    <keyword>
      <string language="zh">随手小实验</string>
    </keyword>
    <keyword>
      <string language="zh">国家开放大学五分钟课程</string>
    </keyword>
    <description>
      <string language="zh">　　分别将两根手指放入冷水和热水中，20秒后，再将这两根手指放在常温水里，观察会有什么样的现象发生。通过这一实验，你将知道热与冷的感觉到底是怎样产生的。</string>
    </description>
  </general>
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      <role>内容提供者</role>
      <entity>中央广播电视大学</entity>
      <date />
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  <metadata>
    <contribute>
      <role>创建者</role>
      <entity>qinyb:zx</entity>
      <date>2017/5/2 10:55:17</date>
    </contribute>
  </metadata>
  <rights>
    <cost>是</cost>
    <copyrightAndOtherRestrictions>否</copyrightAndOtherRestrictions>
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      <source>LOMv1.0</source>
      <value>资源中心分类维度</value>
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        <string language="zh">GBT_21365-2008</string>
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        <entry>科学素养</entry>
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