微针头在生物医学领域有广泛的应用，例如用于生物医学测量系统，药物传输系统及微量采样分析系统等。
Microneedles have a comprehensive application for the biomedicine field, such as the biomedicine measure system, drug delivery system, microanalysis system and etc.
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 paper analyzed the design defect of Model 2550 micro oxygen analyzer, introduced the modification solution and design principle and attention rule.
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