计算器中的液晶是在什么的作用下显示出数字的?
参考答案:
计算器中的液晶是在电场作用下显示出数字的。
关于泪小管炎的临床表现,下列哪项不正确()
A.眼红、溢泪、眼分泌物
B.压迫泪小点有分泌物
C.摘除泪囊后,从泪小点挤压无黏性分泌物
D.常由沙眼衣原体、放线菌等引起
E.结膜充血
Which of the following is least accurate to describe the assumption of technical anajysis()
A. Markets are efficient and rational.
B. Markets are influenced by irrational and rational investors.
C. Trends and patterns tend to repeat themselves and therefore predictable.