网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)

在任意线性形式下L[af1(t)-bf2(t)]= aF1(s)-b F2(s).()


参考答案

更多 “在任意线性形式下L[af1(t)-bf2(t)]= aF1(s)-b F2(s).()” 相关考题
考题 在窗体上画一个命令按钮,然后编写如下程序: Sub S1(ByVal x As Integer,ByVal y As Integer) Dim t As Integer t=x x=y y=t End Sub Private Sub Command1_Click() Dim a As Integer,b As Integer a=10 b=30 S1 a,b Print"a=";a;"b=";b End Sub 程序运行后,单击命令按钮,输出结果是 ______。A.a=30 b=10B.a=30 b=30C.a=10 b=30D.a=10 b=10

考题 在窗体上画一个命令按钮和两个文本框,其名称分别为Command1、Text1和Text2,然后编写如下程序: Dim S1 As String,S2 As String Private Sub Form_Load() Text1.Text="" Text2.Text="" End Sub Private Sub Text1_KeyDown(KeyCode As Integer,Shift As Integer) S2=S2 Chr(Keycode) End Sub Private Sub Text1_KeyPress(KeyAscii As Integer) S1=S1 Chr(KeyAscii) End Sub Private Sub Command1_Click() Text1.Text=S2 Text2.Text=S1 S1="" S2="" End Sub 程序运行后,在Text1中输入“abc”,然后单击命令按钮,在文本框Text1和Text2中显示的内容分别为______。A.abc和ABCB.abc和abeC.ABC和abcD.ABC和ABC

考题 有如下SUB过程:Sub s(x As Single,y As Single)t=xx=t / yy=t Mod yEnd Sub在窗体上添加一个命令按钮,然后编写如下事件过程:Private Sub Form_Click()Dim a As SingleDim b As Singlea=5b=4s a,bPrint a,bEnd Sub则程序运行后,单击命令按钮,输出的结果为【 】 。

考题 下列过程说明合法的是( ) A、Sub S1(ByVal n!())B、Sub S1(n!) as IntegerC、 Function S1%(S1%)D、 Function S1(ByVal n!)

考题 Iff1(t)←→F1(jω),f2(t)←→F2(jω)Then________。 A.[af1(t)+bf2(t)]←→[aF1(jω)*bF2(jω)]B.[af1(t)+bf2(t)]←→[aF1(jω)-bF2(jω)]C.[af1(t)+bf2(t)]←→[aF1(jω)+bF2(jω)]D.[af1(t)+bf2(t)]←→[aF1(jω)/bF2(jω)]

考题 以下程序用于求S=1+3+32+33+…+310的值。Private Sub Commandl_Click()S=1T=1ForI=1 To 10T=______S=S+TNextIPrint"S=";SEnd Sub

考题 有如下程序: Private Sub Command1_Click() Dim a As Single Dim b As Single a=5:b=4 Call Sub1(a,b) End Sub Sub Sub1(x As Single,y As Single) t=X X=t\Y Y=t Mod y End Sub 在调用运行上述程序后,a和b的值分别为A.0 0B. 1 1C.2 2D.1 2

考题 假定有如下的Sub过程: Sub S(x As Single,y As Single) t=x x=t/y y=t Mod y End Sub 在窗体上画一个命令按钮,然后编写如下事件过程: Private Sub Command1_Click() Dim a As Single Dim b As Single a=5 b=4 S a,b Print a,b End Sub 程序运行后,单击命令按钮,输出结果为 ______ 。A.5 4B.1 1C.1.25 4D.1.25 1

考题 假定有如下的Sub过程: Sub S(x As Single,y As Single) t=x x=t/y y=t Mod y End Sub 在窗体上画一个命令按钮,然后编写如下事件过程: Private Sub Command1_Click() Dim a As Single Dim b As Single a=5 b=2 S a,b print a,b End Sub 程序运行后,单击命令按钮,输出结果是( )。A.5 2B.1 1C.1.25 4D.2.5 1

考题 假定有如下的Sub过程:Sub Sub1(x As Single,y As single)t=xx=t/yy=t Mod yEnd Sub在窗体上画一个命令按钮,然后编写如下事件过程:Private Sub Command1_click()Dim a As SingleDim b As Singlea=5b=4Sub1 a,bPrint a;bEnd Sub程序运行后,单击命令按钮,输出结果为A.B.C.D.

考题 编写如下事件过程: Private sub sub1 (ByVal x1 As String, y1 As String) Dim xt As String Dim i As Integer i = Len(x1) Do While i>= 1 xt = xt + Mid(x1, i, 1) i=i-1 Loop y1 = xt End Sub Private Sub Form. Click() Dim s1 As String, s2 As String s1= "teacher" sub1 s1, s2 Print s2 End Sub 程序运行后,单击窗体,则窗体上显示的内容是A.rehcaetB.tahreeeC.themeeD.eerthea

考题 假定有如下的Sub过程:Sub Sub1(x As Single, y As single)t=xx=t / yy=t Mod yEnd Sub在窗体上画一个命令按钮,然后编写如下事件过程:Private Sub Command1_Click()Dim a As SingleDim b As Singlea=5b=4Sub1 a,bPrint a;bEnd Sub程序运行后,单击命令按钮,输出结果为A.54B.] 1]]1C.] 1.2]]5.4D.] 1.25]]1

考题 写出程序运行的结果Public class BasePublic virtual string Hello() {return “Base”;}Public class Sub:BasePublic override string Hello() {return “Sub”;}1. Base b = new Base(); b.Hello;2. Sub s = new Sub(); s.Hello;3. Base b = new Sub (); b.Hello;4. Sub s = new Base(); s.Hello;

考题 下面程序的输出结果是。 Private Sub Commandl_Click ch$=“ABCDEF” proc ch:Print ch End Sub Private Sub proc(ch As Stnng) s=“” For k=Len(ch) TO 1 Step -1 s=sMid(ch,k,1) Next k ch=s End Sub A.ABCDEF B.FEDCBA C.A D.F

考题 有如下程序。 Private Sub Commandl_Click() Dim a As Single Dim b As Single a=5:b=4 Call Sub1 ( a,B)End Sub Sub Subl(x As Single, y As Single) t=x x=t\y y = t Mod y End Sub 在调用运行上述程序后,a和b的值分别为A.0 0B.1 1C.2D.1 2

考题 下面程序的运行结果是#include #define SIZE 12sub(char *a,int t1,int t2) { char ch; while(t1t2) { ch=*(a+t1); *(a+t1)=*(a+t2); *(a+t2)=ch; t1++;t2--; }} main() { char s[SIZE]={’A’,’B’,’C’,’D’,’E’,’F’,’G’,’H’,’I’,’J’,’K’,’L’}; int i; sub(s,7,SIZE-1); for(i=0;iSIZE;i++) printf("%c ",s[i]); printf("\n");}

考题 假定有如下的Sub过程:Sub Sub1 (x As Single, y As Single) t=x x = t/y y = t Mod yEnd Sub 在窗体上画一个命令按钮,然后编写如下事件过程:Private Sub Command1_ Click() Dim a As Single Dim b As Single a = 5 b = 4 Sub1 a, b Print a; b End Sub 程序运行后,单击命令按钮,输出结果为______。A.5 4B.1 1C.1.2 5.4D.1.25 1

考题 有如下程序。Private Sub Command1_Click()Dim a As SingleDim b As Singlea=5: b=4Call Sub1(a, b)End SubSub Sub1(x As Single, y As Single)t=xx=t \ yy=t Mod yEnd Sub在调用运行上述程序后,a和b的值分别为A.0 0B.1 1C.2 2D.1 2

考题 肾脏和输尿管反射区所在脊髓节段为A.T7~10B.T8~9C.T11~L1D.S2~4E.T10/sub

考题 有如下程序: Private Sub Command1 Click() Dim a As Single Dim b As Single a=5:b=4 Call S(a,B)End Sub Sub S(x As Single,y As Single) t=x x=t\y y=t Mod y End Sub 在调用运行上述程序后,a和b的值分别为A.0 0B.1 1C.2 2D.1 2

考题 下列程序运行后的输出结果是______。Private Sub f(k,s)s=1For j=1 To ks=s*jNextEnd SubPrivate Sub Command1_Click()Sum=0For i=1 To 3Call f(i,s)Sum=Sum+sNextPrint SumEnd Sub

考题 f1(t)←→F1(jω),f2(t)←→F2(jω)Then()。A、[af1(t)+bf2(t)]←→[aF1(jω)*bF2(jω)]B、[af1(t)+bf2(t)]←→[aF1(jω)-bF2(jω)]C、[af1(t)+bf2(t)]←→[aF1(jω)+bF2(jω)]D、[af1(t)+bf2(t)]←→[aF1(jω)/bF2(jω)]

考题 s=”this is the mainstring”,sub=”string”,strindex(s,sub)是()

考题 设当前目录是根目录,使用第()组命令不能在一级子目录SUB1下建立二级子目录SUB11。A、CD SUB1(回车)MD SUB11B、MD SUB1/SUB11C、MD SUB11D、MD/SUB1/SUB11

考题 在任意线性形式下L[af1(t)+bf2(t)]=aF1(s)+bF2(s).()

考题 单选题f1(t)←→F1(jω),f2(t)←→F2(jω)Then()。A [af1(t)+bf2(t)]←→[aF1(jω)*bF2(jω)]B [af1(t)+bf2(t)]←→[aF1(jω)-bF2(jω)]C [af1(t)+bf2(t)]←→[aF1(jω)+bF2(jω)]D [af1(t)+bf2(t)]←→[aF1(jω)/bF2(jω)]

考题 多选题下列表示中____的表示形式是正确的。ApUsub95/sub= 1%,vsubeff/sub =9 /pBpUsubr/sub= 1%,k=2 /pCpusubC/sub=0. 5% /pDpusubC/sub=±0 5%.k=1 /p