This article introduces the basic methods of malfunction analysis and maintaining, maintain-ing and maintenance of electron instrument.
介绍了电子仪器的故障分析判断和器件检查、仪器维修、维护的基本方法。
The structure analysis of polysaccharides mainly includes three kinds of methods: chemistry analysis, instrument analysis and biological analysis.
对多糖结构的分析方法较多，主要分为三大类，即化学分析方法、仪器分析方法和生物学方法。
Methods: the ultrasonic instrument was adopted to conduct the planar ultrasonic and Doppler ultrasonic diagnosis analysis on 30 RAML patients in our hospital.
方法：对我院30例RAML患者采用超声诊断仪进行二维超声和多普勒超声诊断分析。
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