图中的建筑是()<br /> <img src="https://img.ppkao.com/2017-09/tianjing/201709011034274178.jpg" /><p> 图中的建筑是()<br /> <img src="https://img.ppkao.com/2017-09/tianjing/201709011034274178.jpg" /></p>
A、A.亭
B、B.榭
C、C.轩
D、D.舫
A、A.亭
B、B.榭
C、C.轩
D、D.舫
A、A.<img src="https://img.ppkao.com/2017-09/wangjinchen/2017092509191375598.jpg" /><br /> B.<img src="https://img.ppkao.com/2017-09/wangjinchen/2017092509191686516.jpg" /><br /> C.<img src="https://img.ppkao.com/2017-09/wangjinchen/2017092509192040284.jpg" /><br /> D.<img src="https://img.ppkao.com/2017-09/wangjinchen/2017092509192653582.jpg" />
A、A.<img src="https://img.ppkao.com/2018-07/wenxueying/2018071610102719826.png" /><br /> B.<img src="https://img.ppkao.com/2018-07/wenxueying/2018071610163534802.png" /><br /> C.<img src="https://img.ppkao.com/2018-07/wenxueying/2018071610115518750.png" /><br /> D.<img src="https://img.ppkao.com/2018-07/wenxueying/2018071610121779280.png" />
A、读下面地质构造剖面图,回答问题: <br /> (1)图中A、B、C、D四处,哪些属于背斜?哪些属于向斜? <br /> (2)从地貌形态来看,图中C处是什么地貌?D处是什么地貌?简述它们的形成原因?<br /> <img src="https://img.ppkao.com/2018-09/wenxueying/2018091815075239797.jpg" />
A、A.<img src="https://img.ppkao.com/2018-08/lina/201808191716043878.jpg" /><br /> B.<img src="https://img.ppkao.com/2018-08/lina/201808191715542827.jpg" /><br /> C.<img src="https://img.ppkao.com/2018-08/lina/2018081917160952254.jpg" /><br /> D.<img src="https://img.ppkao.com/2018-08/lina/2018081917161444465.jpg" />
A、说明图中电流互感器的接线方式。<br /> <img src="https://img.ppkao.com/2019-04/tangxixi/2019042213040791527.jpg" />
A、A.<img src="https://img.ppkao.com/2018-08/chenfang/2018082414251127110.jpg" /><br /> B.<img src="https://img.ppkao.com/2018-08/chenfang/2018082414251618632.jpg" /><br /> C.<img src="https://img.ppkao.com/2018-08/chenfang/2018082414252274438.jpg" /><br /> D.<img src="https://img.ppkao.com/2018-08/chenfang/2018082414252792534.jpg" />
A、计算图中所示机构的自由度。<br /> <img src="https://img.ppkao.com/2018-06/liuqianlan/2018061309323995999.jpg" />
A、计算图中压板夹紧力W为多少?<br /> <img src="https://img.ppkao.com/2019-04/wangjue/2019041414071965466.jpg" />
A、A.<img src="https://img.ppkao.com/2018-08/chenfang/2018081915393081347.jpg" /><br /> B.<img src="https://img.ppkao.com/2018-08/chenfang/2018081915393697636.jpg" /><br /> C.<img src="https://img.ppkao.com/2018-08/chenfang/2018081915394232099.jpg" /><br /> D.<img src="https://img.ppkao.com/2018-08/chenfang/2018081915394668494.jpg" />
A、设图中的二极管均为理想的,试判断各图中的二极管是导通还是截止,并求出a、o两端的电压Uao。<br /> <img src="https://img.ppkao.com/2018-08/wenxueying/2018082909273028210.jpg" />