The first F-35B short takeoff/vertical landing stealth fighter operates in vertical-landing mode on a special "hover pit" at Lockheed Martin in Fort Worth, Texas, during an April test.
4月，洛克希德·马丁公司沃斯堡工厂的“悬停坑”对首架短距/垂直起降F-35B隐形战斗机的垂直着陆方式进行测试试验。
In attach mode, the integration test client monitors and emulates components and wires as a module runs, but it doesn't first invoke a component; instead, an external source does the invoking.
在附加模式中，集成测试客户端监视和模拟组件，并在模块运行时进行连接，但是它不是先调用组件，而是外部源执行调用。
The first-order mode and the first eigenfrequency of the pier can be obtained easily and precisely by the impact vibration test method, from which three indexes such as the chang.
利用冲击振动试验法可以准确得到桥墩的一阶振型和一阶频率，利用这两个参数可以构造出一阶振型比、特征参数、一阶曲率模态差三个指标。
应用推荐