亮度恒定 brightness constancy
明度恒常性 brightness constancy
环境温度恒温 ambient thermostatic switch
温度恒温空调 A/C
速度恒常性 velocity constancy
色度恒定性 [摄] chromatic constancy
湿度恒定器 hydrostat
低光度恒星 subliminous star ; [天] underluminous star ; underground star
高精度恒流源 high precise current source ; High accuracy constant-source
亮度恒常性 Lightness constancy
本文的研究工作利用单片机控制系统对电阻点焊过程进行恒流控制，其核心采用了集成度英明、助能强的C8051F005单片机。
This topic carries on the constant current control to the resistance spot welding process using a system of single chip computer, whose core has used the C8051F005.
运用上述公式和特殊限制条件，同样得出二组分恒沸物系只有一个自由度的结论。
By application of the formula indicated and special limiting condition, the conclusion of only one degree of freedom with two-component azeotropic system can be obtained.
实验结果表明，带有光反馈的恒压恒流直流电源发光稳定，为精确紫外辐射定标提供了高稳定度的紫外光源。
Through the experiment, it is indicated that regulated direct power makes the light source stable and provides the accurate UV radiation calibration with stable ultraviolet light source.
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