A contract whereby the shipowner leases his vessel to the charterer for a period of ti
A.Demise Charter
B.Voyage Charter
C.Time Charter
D.Long-term Charter
A.Demise Charter
B.Voyage Charter
C.Time Charter
D.Long-term Charter
A.for
B.by
C.to
D.towards
In the Edgeworth production box diagram,what conditions must hold for an allocation to be on the production contract curve? Why is a competitive equilibrium on the contract curve?
x1(t)的匹配滤波器,求:
(1)分别画出M0和M1的冲激响应h0(t)和h1(t)的波形;
(2)分别粗略画出M0对x0(t)和x1(t)的响应波形以及M1对x0(t)和x1(t)的响应波形;
(3)比较这些响应在t=4时的值,若保持x1(t)不变,如何修改x0(t)使接收机更容易区分x0(t)和x1(t),也即使M0对x1(t)的响应和M1对x0(t)的响应在t=4时为零值.
but you ________ it.
A) mustn’t have done B) wouldn’t have done
C) mightn’t have done D) didn’tave to do
A.haven’t
B. don’t
C.didn’t
D.hadn’t
离散系统结构图如图所示,采样周期T=0.2s。
(1)判断系统的稳定性;
(2)当r(t)=t时,求系统的稳态误差e*(∞)。