Aero pitot-static pressure system tester has direct effects on the airtightness of the air - borne pitot - static pressure system and the accuracy of meter reading.
全静压系统检查仪对飞机上该系统的气密性与仪表指示的准确性有直接影响。
But Petschenik's intended audience isn't the system tester. It is the unit tester, the functional tester, the system tester, the developer, the project manager, product manager, etc.
但是Petschenik所定位的读者并不是系统测试人员，而是单元测试人员、功能测试人员、系统测试人员、开发人员、项目管理者、产品管理者，等等。
Unlike the developers, who are responsible for a specific function or component, the tester understands how the system works as a whole to accomplish customer goals.
不象负责一个特殊功能或组件的开发人员，测试人员懂得系统作为一个整体是如何工作的来达到客户的目标。
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