In the below room temperature test, opening the refrigeration apparatus also switch, automatic temperature and the set temperature range constant.
在进行低于室温的试验时，打开制冷开关，仪器也同样进行自动控温并在设置的温度点范围内恒定。
Based on the thermoelectric refrigeration principle and PID parameter self-tuning control technique, a temperature controller for semiconductor laser's environment test is designed.
基于热电制冷原理和PID参数自整定理论，本论文设计了一种半导体激光器环境的温度控制仪。
The simulative variable load food test chamber is designed according to the constant change of heat load in the process of food refrigeration.
针对食品冷冻冷藏过程中货物热负荷不断发生变化的情况，设计了模拟变负荷食品试验箱。
Design for a cascade refrigeration system is optimized with respect to the life and reliability of the test facility.
为了满足试验设备的长寿命性能，对复叠制冷系统进行了可靠性设计。
The compressor performance test system can be used to test the refrigeration capacity and other parameters related.
压缩机性能测试系统可以对压缩机的制冷量以及相关的性能参数进行测量。
The cascade refrigeration system can be applied to the thermal vacuum test facility of spac…
复叠制冷系统可以应用于卫星部组件热真空试验设备、高低温试验箱以及医用低温箱等。
The model is the base for optimizing design for the compressor refrigeration capacity test system and the research for operating condition control tactics.
该模型是优化测试系统冷凝器设计和研究测试工况控制策略的基础。实验表明；
The model is the base for optimizing design for the compressor refrigeration capacity test system and the research for operating condition control tactics.
该模型是优化测试系统冷凝器设计和研究测试工况控制策略的基础。实验表明；
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