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）
B-2翼梢后缘的操纵面产生偏航力矩的机理是什么？ What is the mechanism of the directinal control surface at the wing-tip trailing edge of B-2？
A．改变局部升力 change local lift
B．改变局部侧力 change local side force
C．改变局部阻力 change local drag
D．N/A
参考答案和解析
改变局部阻力
更多 “B-2翼梢后缘的操纵面产生偏航力矩的机理是什么？ What is the mechanism of the directinal control surface at the wing-tip trailing edge of B-2？A．改变局部升力 change local liftB．改变局部侧力 change local side forceC．改变局部阻力 change local dragD．N/A” 相关考题
考题
关于B-1和B-2细胞，正确的是（）。A、B-1细胞不表达CD5B、B-2细胞以自我更新为主C、B1细胞产生抗体以IgG为主D、B-2细胞主要针对多糖类抗原应答E、B-1细胞应答很少能产生记忆
考题
You are developing a Windows Presentation Foundation (WPF) application for a travel reservation system You need to ensure that users can select a range of travel dates. What should you do ?（）A、Add single DatePicker control to the design surfaceB、Add single Calendar control to the design surfaceC、Add single MediaElement control to the design surface to display a calendarD、Add the appropriate Windows Forms references to the project references. Add a single Windows Forms DateTimePicker control to the design surface
考题
当发动机的推力关于飞机纵轴不对称时，（）。A、所产生的偏航力矩由垂直尾翼的外载荷来平衡B、所产生的偏航力矩由副翼的外载荷来平衡C、所产生的偏航力矩由水平尾翼的外载荷来平衡D、所产生的偏航力矩由机翼的外载荷来平衡
考题
单选题You are developing a Windows Presentation Foundation (WPF) application.You need to display HTML content from a Web page on the WPF form. What should you do?（）A
Add a FlowDocumentReader control to the design surface. Then create a FlowDocument control.B
Add a DocumentViewer control to the design surface. Then create a FixedDocument control.C
Add a WebBrowser control to the design surface. Then use the Navigate method to navigate the URI object.D
Add a ContentControl control to the design surface. Then reference a WebClient object to return an HTML string.
考题
单选题You are developing a Windows Presentation Foundation (WPF) application. You need to display HTML content from a Web Page on the WPF form. What should you do?（）A
Add a FlowDocumentReader control to the design surface. Then create a FlowDocument control.B
Add a ContentControl control to the design surface. The reference a WebClient object to return an HTML string.C
Add a DocumentViewer control to the design surface. The create a FixedDocument control.
考题
判断题B-2隐形飞机是在1989年8月17日首次飞行的。A
对B
错
热门标签
最新试卷
