Which statement about diesel engine combustion is true?()
A. Combustion does not begin until the piston starts down on the power stroke
B. Maximum combustion pressure is reached before TDC
C. Turbulence in the cylinder causes a delay in ignition
D. Maximum cylinder firing pressure is not developed until the piston passes TDC
银监会《电子银行业务管理办法》自2006年()月()日起施行。
A. 1;26
B. 3;1
C. 6;26
D. 10;1
企业与银行账户的核对表面上属于账账核对,实际上是账实核对。
A. 正确
B. 错误
系统管理理论学派侧重于用系统的观念来考察()及管理的基本职能。