这种相似程度说明,这款iPhone 4原型机同样处于产品发布前的设备验证测试(Device Verification Test)阶段。这款iPhone 4原型机运行去年9月推出的iOS 4.1操作系统。
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它也涵盖了仪器仪表、计算机软硬件和通讯设备的安装、测试和验证。
It also covers the installation, testing and validation of instrumentation, computer hardware and software, and communications equipment.
以0 b和0c开头的后续命令对分别是请求和验证规则命令,用于提取和检查从测试设备上的Modbus寄存器提取的值。
Subsequent command pairs starting with 0b and 0c are request and verification rule commands, respectively, used to extract and check values extracted from Modbus registers on the device under test.
在书中涉及的高级主题是内存测试与验证、设备驱动程序设计与实现、实时操作系统内核、以及代码优化技术。
Among the advanced topics covered in the book are memory testing and verification, device driver design and implementation, real-time operating system internals, and code optimization techniques.
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