On based of the test and analysis for multi - kinds carbon source material property, pointed out to the optimization principle of synthesize diamond carbon source material.
在对多种炭源材料性能测试与分析的基础上，指出了合成金刚石炭源材料的优选原则。
The system uses ultrasonic wave as signal source, with the multi-probe multi-directions sweep, and fluid soak method test the gear.
系统以超声波作为检测信号源，采用多探头多方位扫描、液浸法的方式对齿轮进行检测。
Design, construction and verification test is made to complete a multi-frequency excitation source based on FPGA and to complete a digital quadrature demodulator.
完成了基于FPGA平台的多频恒流激励源和数字化正交序列解调模块的设计、构建与实验验证。
Design, construction and verification test is made to complete a multi-frequency excitation source based on FPGA and to complete a digital quadrature demodulator.
完成了基于FPGA平台的多频恒流激励源和数字化正交序列解调模块的设计、构建与实验验证。
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