This document identifies the classification level of nonhermetic solid-state surface mount devices (SMDs) that are sensitive to moisture-induced stress.
本标准用于确定非气密安器件（SMD）湿气敏感度等级。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
However, these components here are all surface mount devices or SMD and engineers are continuously developing smaller and lighter solutions.
然而，些组件都是表面装器件或 SMD，工程师正开发更小、更轻解决方案。
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