下列选项中,哪一个是通过夹具将形状ps和物体body连接在一起: A: FixtureDef fd = new FixtureDef(); fd.shape = ps; body.createFixture(fd); B: FixtureDef fd = new FixtureDef(); fd.shape = ps;BodyDef bd=new BodyDef(); body=box2d.createBody(bd); C: Fixture fd = new Fixture(); fd.shape = ps; body.createFixture(fd); D: Fixture fd = new Fixture(); fd.shape = ps;BodyDef bd=new BodyDef(); body=box2d.createBody(bd);
下列选项中,哪一个是通过夹具将形状ps和物体body连接在一起: A: FixtureDef fd = new FixtureDef(); fd.shape = ps; body.createFixture(fd); B: FixtureDef fd = new FixtureDef(); fd.shape = ps;BodyDef bd=new BodyDef(); body=box2d.createBody(bd); C: Fixture fd = new Fixture(); fd.shape = ps; body.createFixture(fd); D: Fixture fd = new Fixture(); fd.shape = ps;BodyDef bd=new BodyDef(); body=box2d.createBody(bd);
力偶矩可用下列()式子表示。 A: AT=Fd B: BT=±FD C: CT=±Fd D: DT=FD
力偶矩可用下列()式子表示。 A: AT=Fd B: BT=±FD C: CT=±Fd D: DT=FD
EIGRP路由协议的可行条件是()。 A: AD=FD B: AD<FD C: AD>FD D: AD>=FD
EIGRP路由协议的可行条件是()。 A: AD=FD B: AD<FD C: AD>FD D: AD>=FD
FD与FD允许直接布线连通。
FD与FD允许直接布线连通。
导线全长闭合差的计算公式是() A: fD=fX+fY B: fD=fX-fY C: fD=fX2+fY2(开根号) D: fD=fX2-fY2(开根号)
导线全长闭合差的计算公式是() A: fD=fX+fY B: fD=fX-fY C: fD=fX2+fY2(开根号) D: fD=fX2-fY2(开根号)
Areas of fertile soil called deltas, usually () are formed by mud deposited at the mouth of a river. A: triangular in shape B: their shape is triangular C: they have a triangular shape D: triangular shape
Areas of fertile soil called deltas, usually () are formed by mud deposited at the mouth of a river. A: triangular in shape B: their shape is triangular C: they have a triangular shape D: triangular shape
下列程序运行结果是()。 fromturtleimport fd(100) lt(120) fd(100) lt(120) fd(100) lt(120)
下列程序运行结果是()。 fromturtleimport fd(100) lt(120) fd(100) lt(120) fd(100) lt(120)
将光标定位在文件开始位置可以使用( )操作完成 A: lseek(fd,0,SEEK_SET) B: lseek(fd,0,SEEK_CUR) C: lseek(fd,0,SEEK_END) D: open(fd,O_RDWR)
将光标定位在文件开始位置可以使用( )操作完成 A: lseek(fd,0,SEEK_SET) B: lseek(fd,0,SEEK_CUR) C: lseek(fd,0,SEEK_END) D: open(fd,O_RDWR)
EIGRP路由协议的可行条件是()。 A: AAD=FD B: BADCAD>FDDAD>=FD
EIGRP路由协议的可行条件是()。 A: AAD=FD B: BADCAD>FDDAD>=FD
刚架的点B作用一水平力F,刚架重量不计,则支座D处约束反力大小为[img=370x231]1803362e2664bdc.jpg[/img] A: FD = 0.5F B: FD = 1.0F C: FD = 1.5F D: FD = 2.0F
刚架的点B作用一水平力F,刚架重量不计,则支座D处约束反力大小为[img=370x231]1803362e2664bdc.jpg[/img] A: FD = 0.5F B: FD = 1.0F C: FD = 1.5F D: FD = 2.0F