囧研究：熊猫什么会这么懒
<p><span word="When">When</span> <span word="they">they</span>’<span word="re">re</span> <span word="not">not</span> <span word="making">making</span> <span word="sweet">sweet</span> <span word="love">love</span> <span word="in">in</span> <span word="the">the</span> <span word="zoo">zoo</span> <span word="or">or</span> <span word="dodging">dodging</span> <span word="poachers">poachers</span> <span word="in">in</span> <span word="the">the</span> <span word="wild">wild</span>, <span word="giant">giant</span> <span word="pandas">pandas</span> <span word="sit">sit</span> <span word="around">around</span> <span word="and">and</span> <span word="munch">munch</span> <span word="on">on</span> <span word="bamboo">bamboo</span>. <span word="Their">Their</span> <span word="metabolic">metabolic</span> <span word="ability">ability</span> <span word="to">to</span> <span word="take">take</span> <span word="it">it</span> <span word="easy">easy</span> <span word="has">has</span> <span word="long">long</span> <span word="baffled">baffled</span> <span word="scientists">scientists</span>.</p><p>除了在动物园里交配以及在野外躲避偷猎者，大熊猫总是在无所事事地啃竹子，而它们那可以将竹子消化的代谢能力长久以来一直困扰着科学家们。</p><p><span word="Thanks">Thanks</span> <span word="to">to</span> <span word="a">a</span> <span word="study">study</span> <span word="coming">coming</span> <span word="out">out</span> <span word="of">of</span> <span word="Chinese">Chinese</span> <span word="Academy">Academy</span> <span word="of">of</span> <span word="Sciences">Sciences</span> <span word="in">in</span> <span word="Beijing">Beijing</span> <span word="and">and</span> <span word="published">published</span> <span word="in">in</span> <span word="Science">Science</span>, <span word="we">we</span> <span word="finally">finally</span> <span word="have">have</span> <span word="some">some</span> <span word="answers">answers</span>. <span word="For">For</span> <span word="starters">starters</span>, <span word="giant">giant</span> <span word="pandas">pandas</span> <span word="expend">expend</span> <span word="about">about</span> 38 <span word="percent">percent</span> <span word="of">of</span> <span word="the">the</span> <span word="same">same</span> <span word="energy">energy</span> <span word="as">as</span> <span word="compared">compared</span> <span word="to">to</span> <span word="other">other</span> <span word="creatures">creatures</span> <span word="of">of</span> <span word="the">the</span> <span word="same">same</span> <span word="body">body</span> <span word="mass">mass</span>. <span word="To">To</span> <span word="maintain">maintain</span> <span word="such">such</span> <span word="a">a</span> <span word="low">low</span> <span word="metabolism">metabolism</span>, <span word="they">they</span> <span word="do">do</span> <span word="indeed">indeed</span> <span word="move">move</span> <span word="slowly">slowly</span>. <span word="In">In</span> <span word="the">the</span> <span word="wild">wild</span>, <span word="pandas">pandas</span> <span word="spend">spend</span> <span word="just">just</span> <span word="half">half</span> <span word="of">of</span> <span word="their">their</span> <span word="time">time</span> <span word="in">in</span> <span word="motion">motion</span>; <span word="when">when</span> <span word="they">they</span> <span word="forage">forage</span>, <span word="they">they</span> <span word="average">average</span> <span word="just">just</span> 50 <span word="feet">feet</span> <span word="per">per</span> <span word="hour">hour</span>. <span word="According">According</span> <span word="to">to</span> <span word="the">the</span> <span word="study">study</span>’<span word="s">s</span> <span word="authors">authors</span>, <span word="that">that</span>’<span word="s">s</span> “<span word="very">very</span> <span word="low">low</span>.”</p><p>中国科学院刊载在科学杂志上的一项研究成果使我们有了些头绪。首先，和相同体型的其他生物相比，大熊猫只需消耗其38%的热量，而为了维持尽可能低的新陈代谢，它们确实是行动缓慢。在野外，大熊猫只花一半的时间用于运动，当它们觅食的时候，它们的平均速度只有每小时50英尺，研究负责人表示这个速度“非常慢”。</p><p><span word="How">How</span>’<span word="d">d</span> <span word="they">they</span> <span word="get">get</span> <span word="their">their</span> <span word="data">data</span>? <span word="As">As</span> <span word="Discovery">Discovery</span> <span word="reported">reported</span>:</p><p>那他们是怎么得到这些数据的呢？探索频道曾有过报道：</p>
页:
[1]