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。
For the newly developed water level transmitter with USB, on the basis of USB protocol and computer principle, the software and hardware of the instrument is analyzed in detail.
以新研制的USB接口水位变送器为例，结合USB协议和计算机基本原理，对设备软、硬件设计进行了深入分析，探讨了在数据采集设备中直接使用USB接口的实现方法。
For the newly developed water level transmitter with USB, on the basis of USB protocol and computer principle, the software and hardware of the instrument is analyzed in detail.
以新研制的USB接口水位变送器为例，结合USB协议和计算机基本原理，对设备软、硬件设计进行了深入分析，探讨了在数据采集设备中直接使用USB接口的实现方法。
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