The paper analyzed the design defect of Model 2550 micro oxygen analyzer, introduced the modification solution and design principle and attention rule.
分析了原2550型微量氧分析仪采样系统设计缺陷，阐述改造方案和设计原理及使用注意事项。
The compensating principle and circuit design as well as the key technologies and the corresponding solution methods are discussed.
论述了补偿原理、电路设计及其技术难点和相应的解决方法。
Design principle, solution of key problems, design of program and principles and main technical index are detailed.
对该仪器的设计原则、关键问题的解决、方案设计及原理、主要技术指标等方面作了较详细的阐述。
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