试差：古代朝廷特派的乡试试官。 刘大观《玉磬山房文集》卷三《复鲍觉叟先生书》：“今愿先生得一试差，即放学政。既便于游览，用阔胸襟；或网底珊瑚，一洗荒蹇，亦可乐也。”
试差法 trial and error method ; error and trial method ; try and error method
冷态测试差压力 cold differential test pressure
冷态试验差压力 Cold differential test pressure
测试差分放大器 Testing the difference amplifier
试验误差 [试验] experimental error ; Trial error ; test error ; testing error
公差测试实验 Common Difference Testing Experiment
系统试差法 trail and error method
容差试验 allowance test
声道相位差测试 Interchannel Phase Difference Test
频率误差测试 Frequency Error Measurement
本文搜集冶金设备设计计算中，若干使用试差法的场合，共三款。
In this paper, three cases are listed where the triable calculation met-hod is used for designing metallurgical machinery.
以计算机处理表面活性物质作用参数数据，针对试差法的特点，设计了计算流程。
The interaction parameters of surfactant have been processed by computer, and calculating flow has been designed for trail and error method. Its application results are exact and efficient.
通过图表数据函数化可以使试差计算程序化，因而有效减少试差计算时间，还能方便地调节有关参数。
Programming of trial difference calculation could be realized, so time of calculation could be reduced effectively and parameter related could be adjusted conveniently.
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