怎样衡量营养摄取是否适度
<style>#read_tpc p{font-size:16px;margin:16px,0;text-indent:2em;line-height:1.5;text-align:left;}#y_from{-moz-background-clip:border;-moz-background-inline-policy:continuous;-moz-background-origin:padding;background:#FEFCF4 none repeat scroll 0 0;border:1px solid #FFE79F;clear:both;color:#666666;font-size:14px;line-height:16px;margin:10px;padding:10px;text-align:left;}</style><EMBED align=middle src=http://player.youku.com/player.php/sid/XMTMzMDM0ODg4/v.swf width=480 height=400 type=application/x-shockwave-flash allowScriptAccess="sameDomain" quality="high"></EMBED><div id='y_from'>From: <a href="http://www.phpwind.com/yahoourl.php?jumpurl=http%3A%2F%2Fyxk.cn.yahoo.com%2Farticles%2F20091119%2F17y6.html" target='_blank'>http://yxk.cn.yahoo.com/articles/20091119/17y6.html</a> Powered by <a href="http://www.phpwind.com/yahoourl.php?jumpurl=http%3A%2F%2Fcn.yahoo.com%2F" target='_blank'>yahoo.com.cn</a></div>
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