分析了航天发射的过程和特点，建立了航天发射应急处理系统。
And the emergency processing and decision system for space launching has been established.
并对超声波发射接收电路的硬件结构和工作原理做了较详细的说明，给出了数据处理系统程序框图和部分程序。
Explicated the structure and principle of work of ultrasonic launching and receiving circuit, presented the program frame and part program of the date processing.
该技术的关键之一为无线电磁波发射和接收、处理系统的研制。
The crucial factor of this technology is the developing of the sending and receiving system.
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