用电位差计差值法检定DVM时,保证准确度的主要因素是标准电池和标准分压箱的分压系数K 发布时间:2018-11-24 20:04 │ 来源:www.tikuol.com 题型:判断题 问题: 用电位差计差值法检定DVM时,保证准确度的主要因素是标准电池和标准分压箱的分压系数K。
题型:判断题 短文改错。Hong Kong is the name of a island of China.Many years ago the island of Hong Kong was belonged to China. It had a good port. Ship often stopped there. Most of the ships came to Britain. They came to China buy and sell many things. But then war began among China and Britain. In 1864 the Chinese and the British came to themeeting. That was the end of the war. On the meetingthe island of Hong Kong was given to the Britain. No many people lived in Hong Kong at first. But soon a lot of people came. 1. _____ 2. _____3. _____4. _____5. _____6. _____7. _____8. _____9. _____10. _____ 查看答案
题型:判断题 患儿,男,8个月,因"发热、咳嗽、气促并口周发绀2天"来诊。查体:P170次/分,R60次/分;鼻翼扇动;双肺有细小湿性啰音;肝肋下3cm。诊断:先天性室间隔缺损。其可能的并发症是()。A.肺炎B.支气管炎C.心力衰竭D.呼吸衰竭E.细菌性心内膜炎 查看答案