什么是静电感应?
五输穴与五行相配,下列错误的是() ["A.经渠--金","B.支沟--火","C.中渚--土","D.侠溪--水","E.少府--火"]
患儿男性,3岁玩耍后不停哭闹伴呕吐6小时,右腹股沟部有一小包块1年余,平时平卧后可缩小,此时平卧后包块不缩小且有触痛。体检:右侧阴囊肿胀,内可触及肿块,肿块呈蒂状延至腹股沟部。此患儿诊断首先考虑() ["腹股沟直疝","腹股沟斜疝嵌顿","腹疝","滑动性疝嵌顿","右侧睾丸肿瘤"]
下列各组穴中,属于表里经的两个穴是() ["A.臂臑、扶突","B.阴市、支正","C.青灵、攒竹","D.四满、合阳","E.居髎、血海"]
包裹性积液() ["X线示肋膈角变钝","X线示大片状、边缘模糊阴影","X线示斑片状、边缘模糊阴影","X线示凸面指向肺内呈“D”字征阴影","X线示上缘呈向外侧升高的反抛物线阴影"]
在广播电视卫星传输系统中,图象对比度暗淡的故障原因主要有哪些?