具有镇痛作用的低频脉冲电疗法为()
A.电睡眠疗法
B.经皮电神经刺激疗法
C.正常肌肉的低频电疗法
D.直流电断续波疗法
E.电兴奋疗法
参考答案:B
对照片冲洗质量影响最严重的原因是()
A.显影液补充量调整偏低
B.定影液混入显影液
C.显影液混入定影液
D.定影液补充量调整偏低
E.冲洗水流量偏低
In relation to the memorandum of association in company law, explain the objects clause and provide one example of its application. (10 marks)