A mock is a "fake" object that allows you to focus on testing important features within the scope of the Rails project, rather than on interactions with external systems that you have no control over.
mock是一个“伪”对象，它让我们能够集中精力测试Rails项目范围内的重要特性，而不必关注与无法控制的外部系统的交互。
The testing results of a practical system have proved that satisfactory effects are obtained when the digital trigger is applied to the control of fully digital drive systems.
通过实际系统试验证明，该数字触发器应用在微机控制全数字化传动系统中获得了满意的效果。
Emerson was also responsible for final acceptance testing of all products and systems, control system configuration, training, and other on-site services.
艾默生还负责所有产品和系统，控制系统配置，培训及其它现场服务的最终验收测试。
The research work in this thesis provides reliable guarantee for the implement of computer control systems of fatigue testing machine.
本文的研究为疲劳试验机计算机控制系统方案的实施提供了可靠的保证。
Spaceflight control software systems are of very high reliability requirements. Reliability testing is necessary for spaceflight control software systems.
航天飞控软件是具有高可靠性要求的软件系统，对其进行可靠性测试是航天飞控任务的基本要求。
For the different characteristics of new motors, intelligent and automated demands of a testing system, the main research object is testing and control systems for new motors.
本文针对新型直驱电机的不同特性，以及检测控制系统智能化、自动化的要求，研究新型直驱电机的检测与控制系统。
To achieve high time synchronization accuracy among various testing equipments of distributed measurement and control systems, a safe and reliable time source is required.
为了提高分布式测试系统中各设备单元的时间同步精度，需要研制安全可靠的时间源。
Taking the thermodynamic system of radiator testing stand as a controlled object, studies the fuzzy control process of rule self-tuning for supply air temperature in air circulation systems.
提出了一种模糊控制规则实时校正算法，并以散热器实验台热工系统为被控对象，研究了风循环系统送风温度的规则自校正模糊控制过程。
He has over 25 years of industry experience in the design, development, and testing of military, aerospace and automotive electronics, including power, control, and radio frequency (RF) systems.
他在25年的行业在多年来的经验设计，开发，军事，航空和汽车电子设备，包括电源，控制测试和射频(RF)系统自2000年以来。
Precision vibrating tables equipped with elec-tronic control and measuring systems are used for mechanical strength testing of precision mechanical and electronic equipment.
高精度的振动台配备电子控制和测量装置。用于测试精密机械和电子设备机械强度。
Precision vibrating tables equipped with elec-tronic control and measuring systems are used for mechanical strength testing of precision mechanical and electronic equipment.
高精度的振动台配备电子控制和测量装置。用于测试精密机械和电子设备机械强度。
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