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频率合成信号发生器
释义
频率合成信号发生器
Encyclopedia
工学
信号发生器
释
frequency synthesized signal generator
频率合成信号发生器
利用频率合成方式产生各种频率信号输出的信号发生器。频率合成是采用物理的方法,进行频率的加减乘除运算,把一个选择为频率参考(时基)的信号变换为所需频率的信号,并使其具有参考信号的频率稳定度和准确度。
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life care service for disabled elderly
life characteristics
life community
life community of nature
life course
life course research
life curve
life cycle
Life Cycle Analysis
Life Cycle Analysis, LCA
life cycle assessment
life cycle cost
life cycle cost analysis
life cycle costing assessment
life cycle cost of building
life cycle design
life cycle environmental impact assessment
life cycle inventory
life cycle inventory database
life cycle maintannace of civil engineering
lifecycle management
life cycle metrology of aviation products
life-cycle model
life cycle of electronic records
life cycle of transportation facilities
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