通过电极反应，由电极上析出的被测物质的质量来确定其含量的方法称为电位滴定法
参考答案：错
A dealer in the forward contract market:()
A. can not be a bank.
B. may enter into a contract with another dealer.
C. gets a small payment for each contract at initiation.
简述训访模式的主要特点。
