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- The article introduces self developed four axis NC trace welding machine at first,deals in details with the special on line programming technique using three axis measurer in the machine. 介绍自行研制的四坐标数控连续轨迹焊接机，重点阐述该设备在对结构件直角型焊缝轨迹焊接时，数控程序实用独特的自动在线生成方法，即数控三坐标测量头在线编程技术。
- In this paper, the pedestal structural characteristics of vehicle-borne weapon launcher in the state of launch were studied using finite element method. 采用有限元方法对某车载武器系统发射装置的底架在发射状态时的结构特性进行了研究。
- According to the manufacturing and forming requirements of spring,a four axes coordinated NC system was designed for the spring coiling machine. 根据弹簧的加工和成型要求,设计用于自动卷簧机的四轴联动数控系统。
- Design of Four Axis Blocking CNC Grinding Worm Machine Tool 多轴四联动数控蜗杆磨床设计
- Redevelopment of Controller Used for Four Axis CNC Machining Center 四坐标数控加工中心控制器的二次开发技术
- Pedestal Structure Design and its Precision Analysis for One Light Weight Radar 某轻型雷达天线座结构设计及精度分析
- With manual tracking as research subject, the model of stabilization servo control system was established based on the concept of two gimbals, four axes design. 根据四框架稳瞄系统的工作原理，以手动跟踪模式为主要研究对象，建立了稳瞄伺服控制系统模型。
- The article gives a detailed introduction to the design of the four axes motion controller based on PCI BUS. The controller uses PCI9052 as the specified PCI interface chip, PCL5023 to control the motion, and WinDriver as the driver development toolkit. 介绍了基于PCI总线的四轴运动控制卡的设计,该卡采用PCI9052作为PCI接口芯片,以PCL5023控制运动轨迹,利用WinDriver编写其驱动程序。
- To enable medical CBIR system to guarantee the meaningful queries with priorly specified image class, a novel coding scheme so-called MOAB, which consists of four axes: Modality, Orientation, Anatomy, and Biology, is proposed. 其中，为了确保医学图像的CBIR系统能够在特定图像类别下进行有意义的查询处理，我们结合成像设备(Modality)、体位方向(Orientation)、解剖部位(Anatomy)和生物系统(Biology)等四项信息设计了新颖的医学图像MOAB分类编码系统。
- It is clear to all of us that two plus two is four. 二加二等于四对我们大家都很清楚。
- He wove four plots together into a novel. 他把四条情节编成一部小说。
- Dynamic Design of a 50-meter-diameter Radio Telescope Antenna Pedestal Structure Systems 50米射电望远镜天线座架结构动力设计
- We have tea at four o'clock in the afternoon. 我们在下午四点钟喝茶。
- The town boasts four swimming pools. 这座城镇以拥有四个游泳池而自豪。
- Our football team won by four goals to nil. 我们的足球队以四比零取胜。
- He lay back and hit the ball for four. 他向后弯身击中球，得了4分。
- I was clean broke in less than four days. 不到四天我就一个钱也没有了。
- I'll look out for you at about four. 我4点钟左右找你。
- He showed us four case studies of disturbed girls. 他给我们看了4位精神失常姑娘的病历。
- My house is four miles distance from the sea. 我家离海四英里。
