="top" width="50%">
<div class="Element207">
函数&nbsp;</div></td></tr><tr>
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<div class="Element203">
<img src="indicator_virtual.gif" border="0" alt="" title="">&nbsp;</div></td><td class="Element206" valign="top" width="50%">
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虚拟&nbsp;</div></td></tr><tr>
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<div class="Element203">
<img src="indicator_protected.gif" border="0" alt="" title="">&nbsp;</div></td><td class="Element206" 