Principle of different detectors for gas safety detection and classification and selection of gas safety detection apparatus are expounded, and division of explosionproof area is discussed.
阐述了燃气安全检测的各种传感器工作原理、燃气安全检测仪器的分类和选择、防爆区域的划分。
The definition of sequencing production and flushing as well as the classification and sequencing principle for medical additives popularized in USA and Canada were summarized.
综述了排序生产、冲洗的定义和美国加拿大推广的药物添加剂的分类和加药物饲料的排序原则。
On the basis of design for testability in airborne computer principle and testability classification, design technique of testability in different test hiberarchy is presented.
本文在介绍机载计算机的可测试性设计原理和测试分类的基础上，提出了在不同的测试级别上的可测试性工程设计技术。
应用推荐