Introduce the reference frame and time system used in orbit design particularly. Analyzed the orbit characteristic of two-body problem and launch window.
详细介绍了用于轨道设计的坐标系统和时间系统，分析了二体轨道特性和发射窗口的基本特性。
With the increase in use of mega-frame structures, the main frame beam-column reasonable arrangement becomes the key problem of a design.
随着巨型框架结构应用的日益增多，主框架梁柱的合理布置成为巨型框架设计的关键问题。
The basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail.
基本勾勒出整个控制系统的硬件和软件设计基本框架，详细描述一些实验中的具体的细节问题。
Finally, design crusher frame, should listen to the long-term use of crusher user views and experience, to the existing problem in the new design should be solved.
最后，设计破碎机机架时，应该听取长期使用破碎机用户的意见和经验，对存在的问题在新设计中应得到解决。
In order to reduce node power consumption, we design the sensor nodes sleep mode, and solve the problem of PC command frame can not be accept caused the sleep patterns.
为了降低节点功耗，设计了传感器节点的休眠模式，并解决了休眠模式产生的无法接受上位机命令帧的问题。
The special shape of the steel frame design, effectively solves the problems of tobacco, prevention, paper-producing and problem of condensation in high humidity environment.
特殊的钢框形状设计，有效解决了烟草、防止、造纸等高湿环境厂房结露的难题。
The special shape of the steel frame design, effectively solves the problems of tobacco, prevention, paper-producing and problem of condensation in high humidity environment.
特殊的钢框形状设计，有效解决了烟草、防止、造纸等高湿环境厂房结露的难题。
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