下列一组公差带代号，（）可与基准孔<img src='https://img2.soutiyun.com/shangxueba/ask/18168001-18171000/18169259/2015033015273623578.jpg' />50h7形成过盈配合。
已知某个电路元件上的电压和电流为<img src="https://img2.soutiyun.com/ask/2020-07-07/96296750308178.png"/><img src="https://img2.soutiyun.com/ask/2020-07-07/962967514498434.png"/>求电压与电流的相位差。
级数<img src='https://img2.soutiyun.com/latex/latex.action' />与∑<img src='https://img2.soutiyun.com/latex/latex.action' />满足u<sub>n</sub>≤v<sub>n</sub>(n=1，2，…)，则( )．
平面Ⅱ:2x-4y+3z-1=0与直线<img src='https://img2.soutiyun.com/latex/latex.action' />的位置关系是( )
5．直线<img src='https://img2.soutiyun.com/latex/latex.action' />与平面x-y-z-5=0的关系是( )
直线<img src='https://img2.soutiyun.com/ask/2020-02-18/950884563792837.png' />与直线<img src='https://img2.soutiyun.com/ask/2020-02-18/950884577991765.png' />的关系是( )
若级数<img src='https://img2.soutiyun.com/latex/latex.action' />与<img src='https://img2.soutiyun.com/latex/latex.action' />分别收敛于S<sub>1</sub>与S<sub>2</sub>，则( )式未必成立．
全口义齿解剖式人工牙常规排列时，与<img src='https://img2.soutiyun.com/shangxueba/ask/17481001-17484000/17481515/2015091717481542157.jpg' />平面不接触的是（）
已知两个物体A和B的质量以及它们的速率都不相同,若物体A的动量在数值上比物体B的大,则A的动能<img src='https://img2.soutiyun.com/ask/2020-04-29/957026950641931.png' />与B的动能<img src='https://img2.soutiyun.com/ask/2020-04-29/95702696453207.png' />之间()。
如下图示，模块一与模块二之间的SCP线路均断路，其结果将会？（）<img src='https://img2.soutiyun.com/shangxueba/ask/18870001-18873000/18872671/2015010516095288103.jpg' />
结合肺段模式肺动脉干与右肺动脉层面(如图)，选出右肺中叶的组成()<img src='https://img2.soutiyun.com/shangxueba/ask/17562001-17565000/17562091/2014060417141556038.jpg' /><img src='https://img2.soutiyun.com/shangxueba/ask/17562001-17565000/17562091/2014060417143089113.jpg' />
结合肺段模式肺动脉干与右肺动脉层面、心室层面、主动脉弓层面、左右心房层面图(如图)，选出左肺下叶的组成()<img src='https://img2.soutiyun.com/shangxueba/ask/17568001-17571000/17568130/2014060417075415384.jpg' /><img src='https://img2.soutiyun.com/shangxueba/ask/17568001-17571000/17568130/2014060417080425082.jpg' />
过点M（3，-2，1）且与直线<img src='https://img2.soutiyun.com/shangxueba/ask/18729001-18732000/18730661/2016071514231735481.jpg' />平行的直线方程为（）<img src='https://img2.soutiyun.com/shangxueba/ask/18729001-18732000/18730661/2016071514234648431.jpg' />
下列化合物不能与<img src='https://img2.soutiyun.com/shangxueba/ask/17844001-17847000/17845710/2016032015180822263.jpg' />发生反应的是（）。<img src='https://img2.soutiyun.com/shangxueba/ask/17844001-17847000/17845710/2016032015181816392.jpg' />
患者，男，5岁，前牙反<img src='https://img2.soutiyun.com/shangxueba/ask/18504001-18507000/18505294/2015091816213562067.jpg' />，后牙近中错<img src='https://img2.soutiyun.com/shangxueba/ask/18504001-18507000/18505294/2015091816213562067.jpg' />，反覆<img src='https://img2.soutiyun.com/shangxueba/ask/18504001-18507000/18505294/2015091816213562067.jpg' />深，反覆盖小，牙齿无松动，牙列整齐，不伴拥挤。斜面导板斜面与牙体长轴所呈的角度为（）
患者男，40岁，<img src='https://img2.soutiyun.com/shangxueba/ask/18168001-18171000/18169847/2017041819435493299.jpg' />缺失，余留牙无异常，咬合关系良好，要求做<img src='https://img2.soutiyun.com/shangxueba/ask/18168001-18171000/18169847/2017041819440080543.jpg' />非贵金属烤瓷桥修复，比色A3烤瓷桥与烤瓷冠在牙体预备时最大的区别是（）
自正中关系位能自如滑行至正中<img src='https://img2.soutiyun.com/shangxueba/ask/19008001-19011000/19008852/2015091014132537512.jpg' />，表明正中关系与正中<img src='https://img2.soutiyun.com/shangxueba/ask/19008001-19011000/19008852/2015091014132537512.jpg' />在（）。
烟气在加热炉回热装置中流动，拟用空气介质进行实验。已知空气黏度<img src='https://img2.soutiyun.com/shangxueba/ask/19014001-19017000/19015543/2016071910033856383.jpg' />，烟气运动黏度<img src='https://img2.soutiyun.com/shangxueba/ask/19014001-19017000/19015543/2016071910034077744.gif' />，烟气流速<img src='https://img2.soutiyun.com/shangxueba/ask/19014001-19017000/19015543/2016071910034354291.jpg' />，如若实际与模型长度的比尺λ<sub>L</sub>=5，则模型空气的流速应为：（）
求经过直线<img src="http://static.jiandati.com/57e731e-chaoxing2016-476883.png"/>且与直线<img src="http://static.jiandati.com/e72176c-chaoxing2016-476884.png"/>平行的平面方程.
上下牙按常规排列，其切缘与牙尖顶与<img src='https://img2.soutiyun.com/shangxueba/ask/17739001-17742000/17741355/201511121352108875.jpg' />平面的关系是（）
下列不是与前伸<img src='https://img2.soutiyun.com/shangxueba/ask/17496001-17499000/17497891/2015093011385564776.jpg' />平衡相关的因素的是（）
比较图(a)与图(b)所示结构的内力与变形,叙述正确的为()。<img src='https://img2.soutiyun.com/shangxueba/ask/2021-11/18/120/20211118110549365.png' />
已知物块与水平面间的摩擦角<img src='https://img2.soutiyun.com/shangxueba/ask/17850001-17853000/17852448/2017032913311854240.jpg' />，今用力F1=0.5kN推动物块，P=1kN。则物块将（）。<img src='https://img2.soutiyun.com/shangxueba/ask/17850001-17853000/17852448/2017032913312295581.jpg' />
在RLC串联电路中，电压与电流之间的相位差为<img src='https://img2.soutiyun.com/shangxueba/ask/2022-01/18/1118/20220118103755650.png' />，则<img src='https://img2.soutiyun.com/shangxueba/ask/2022-01/18/174/20220118103803306.png' />为()。
下列哪项与原发性甲旁亢病理生理表现不符()<img src='https://img2.soutiyun.com/shangxueba/ask/17946001-17949000/17946569/201406071737032608.png' />
