【单选题】There is a steady-state error in the unit-ramp response of the first-order systems. The steady-state error is equal to time constant T. The smaller the time constant T, the smaller the steady-state er...
【单选题】Choose A,B,C or D. As shown in the figure, the time constant of the circuit equals to ___us.
【判断题】科目汇总表核算组织程序下,总分类账须逐日逐笔登记。
【多选题】科目汇总表核算组织程序下,需要设计的凭证包括( )。
【简答题】"slip-line"的中文表达是(__)。