如图所示,结构上作用两个力偶矩均为m、转向相反的力偶,则A支座的约束反力应为______ A: XA=0,YA=0 B: XA≠0,YA=0 C: XA=0,YA≠0 D: XA≠0,YA≠0
如图所示,结构上作用两个力偶矩均为m、转向相反的力偶,则A支座的约束反力应为______ A: XA=0,YA=0 B: XA≠0,YA=0 C: XA=0,YA≠0 D: XA≠0,YA≠0
当n=3时,l取值范围正确的是: 未知类型:{'options': ['\xa02,1 ,0', '\xa04,3,2', '\xa03,2,1', '\xa01,0,-1'], 'type': 102}
当n=3时,l取值范围正确的是: 未知类型:{'options': ['\xa02,1 ,0', '\xa04,3,2', '\xa03,2,1', '\xa01,0,-1'], 'type': 102}
图示ABC杆,固定端A的反力是()。 A: XA=P,YA=0 B: YA=P,mA=Pa C: XA=P,mA=Pa D: XA=P,YA=0,mA=Pa
图示ABC杆,固定端A的反力是()。 A: XA=P,YA=0 B: YA=P,mA=Pa C: XA=P,mA=Pa D: XA=P,YA=0,mA=Pa
有如下程序: #include<iostream> using namespace std; class XA int a; public: static int b; XA(int aa):a(aa)b++; ~XA() int get()return a; ; int XA::b=0 int main() XA d1(1),d2(3); cout<<d1.get()+d2.get()+XA::b<<end1; return 0; 运行时的输出结果是( )。 A: 5 B: 6 C: 7 D: 8
有如下程序: #include<iostream> using namespace std; class XA int a; public: static int b; XA(int aa):a(aa)b++; ~XA() int get()return a; ; int XA::b=0 int main() XA d1(1),d2(3); cout<<d1.get()+d2.get()+XA::b<<end1; return 0; 运行时的输出结果是( )。 A: 5 B: 6 C: 7 D: 8
图示ABC杆,固定端A的反力是()。 A: XA=P,YA=0 B: YA=P,mA=Pa C: XA=P,YA=0,mA=Pa
图示ABC杆,固定端A的反力是()。 A: XA=P,YA=0 B: YA=P,mA=Pa C: XA=P,YA=0,mA=Pa
在相同温度下,有较高蒸气压的易挥发组分A在液相中的浓度为xA,在气相中的浓度为yA,则有() A: xA > yA B: xA C: xA = yA D: yA = 0
在相同温度下,有较高蒸气压的易挥发组分A在液相中的浓度为xA,在气相中的浓度为yA,则有() A: xA > yA B: xA C: xA = yA D: yA = 0
He is not ______ as any of those film stars. A: so good an actor B: such good an actor C: a suchgood actor D: a sogood actor
He is not ______ as any of those film stars. A: so good an actor B: such good an actor C: a suchgood actor D: a sogood actor
I__________with whom we are familiar. A: Here the actor comes B: Here comes the actor C: The actor comes here D: Comes here the actor
I__________with whom we are familiar. A: Here the actor comes B: Here comes the actor C: The actor comes here D: Comes here the actor
Shakespeare was ... A: an actor and a playwright B: an actor, a novelist and a playwright C: playwright and a poet D: an actor, a playwright and a poet
Shakespeare was ... A: an actor and a playwright B: an actor, a novelist and a playwright C: playwright and a poet D: an actor, a playwright and a poet
关于Actor的说法,不正确的是 A: Actor包含有骨骼 B: Actor可以驱动角色 C: Actor用来映射Marker点 D: Actor的大小需要和Marker点相适应
关于Actor的说法,不正确的是 A: Actor包含有骨骼 B: Actor可以驱动角色 C: Actor用来映射Marker点 D: Actor的大小需要和Marker点相适应