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【简答题】分析下图选择正确的答案填空。 设负载不变,当电网电压波动使u2增大时,则IR将 ,Iz将 ,Uo将 (A:增大;B:减小;C:基本不变)。
【简答题】分析下图选择正确的答案填空。(填写字母) 设负载不变,当电网电压波动使u2增大时,则IR将 ,Iz将 ,Uo将 (A:增大;B:减小;C:基本不变)。
【单选题】在HTML中，用于设置页面元信息的标示符是（ ）
A.
</div>
</div>
<div class="tiOption_2d3js"><span>B.</span>
<div>
<base>
</div>
</div>
<div class="tiOption_2d3js"><span>C.</span>
<div>
<head>
</div>
</div>
<div class="tiOption_2d3js"><span>D.</span>
<div>
<meta>
</div>
</div>
</div>
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<div class="tiSimilarTiTitle_2-ufC">【简答题】常用的概率抽样方式包括：简单随机抽样、_________抽样、整群抽样、系统抽样和多阶段抽样。</div>
<div class="tiSimilarBottom_3YhDx"><a href="https://www.pipixue.com/ti/94c91a3beb2e44cea4a07705593117f3.html" class="tiSimilarBtn_3BCqz">查看完整题目与答案</a>
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<div class="tiSimilarTiTitle_2-ufC">【单选题】电路如图7-6所示,设电路正常工作,且负载不变,当电网电压波动而使U 2 增大时,I DZ 将( )。</div>
<div class="tiOptions_35AIK">
<div class="tiOption_2d3js"><span>A.</span>
<div>增大</div>
</div>
<div class="tiOption_2d3js"><span>B.</span>
<div>减小</div>
</div>
<div class="tiOption_2d3js"><span>C.</span>
<div>基本不变</div>
</div>
<div class="tiOption_2d3js"><span>D.</span>
<div>变为零</div>
</div>
</div>
<div class="tiSimilarBottom_3YhDx"><a href="https://www.pipixue.com/ti/a4d49ece6a8d40eea7d45cb2a67a7021.html" class="tiSimilarBtn_3BCqz">查看完整题目与答案</a>
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<div class="tiSimilarTiTitle_2-ufC">【多选题】在内燃机曲轴滑块机构中,连杆是由连杆盖、连杆体、螺栓以及螺母等组成。其中,连杆属于 () , 连杆体、连杆盖属于 ()</div>
<div class="tiOptions_35AIK">
<div class="tiOption_2d3js"><span>A.</span>
<div>构件</div>
</div>
<div class="tiOption_2d3js"><span>B.</span>
<div>机构</div>
</div>
<div class="tiOption_2d3js"><span>C.</span>
<div>零件</div>
</div>
</div>
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<div class="tiOption_2d3js"><span>B.</span>
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<div class="tiOption_2d3js"><span>A.</span>
<div>增大</div>
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<div class="tiOption_2d3js"><span>B.</span>
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<div class="tiOption_2d3js"><span>A.</span>
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<div class="tiOptions_35AIK">
<div class="tiOption_2d3js"><span>A.</span>
<div>增大</div>
</div>
<div class="tiOption_2d3js"><span>B.</span>
<div>减小</div>
</div>
<div class="tiOption_2d3js"><span>C.</span>
<div>基本不变</div>
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<div class="tiOption_2d3js"><span>D.</span>
<div>无法确定</div>
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<div class="tiSimilarTi_18-DM"><a href="https://www.pipixue.com/ti/4faeaaec58844acfba67c56af18bd543.html">
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<div class="tiOption_2d3js"><span>A.</span>
<div>
<title>
</div>
</div>
<div class="tiOption_2d3js"><span>B.</span>
<div>
<base>
</div>
</div>
<div class="tiOption_2d3js"><span>C.</span>
<div>
<head>
</div>
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<div class="tiOption_2d3js"><span>D.</span>
<div>
<meta>
</div>
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</div>
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<div class="tiSimilarTi_18-DM"><a href="https://www.pipixue.com/ti/94c91a3beb2e44cea4a07705593117f3.html">
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<div class="tiOption_2d3js"><span>A.</span>
<div>增大</div>
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<div class="tiOption_2d3js"><span>B.</span>
<div>减小</div>
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<div class="tiOption_2d3js"><span>C.</span>
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