太阳能控制系统调试主要包括()
A.控制模块设置
B.控制功能测试
C.告警功能测试
D.系统测量和显示
参考答案:A, B, C, D
An investor bought a futures contract covering 100000 Mexican Pesos at 0.08196 and deposited margin of $320. The following day the contract settlement price was 0.08201. The new margin balance in the account is:
A.
B.
C.
除菌用陶瓷布氏漏斗为哪种?()
A.G3
B.G4
C.G5
D.G6
E.G7