... DMM's, Volt & Current Meters 万用表的电压与电流米 Frequency Counters 频率计数器 Function Generators 函数发生器 ...
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Measuring methods for frequency counters 频率计数器测试方法
generic specification for frequency counters 频率计数器通用技术条件
In measuring the speed of rotation and the depth of metal crack, PMOSICs and CMOSICs were employed to design two kinds of digital frequency counters.
在对转速和金属裂纹的数字检测中，我们应用pmos和CMOS组件设计了两种数字频率计。
From dynamic SQL snapshot data as the initial step based on the counters in Listing 6, you should be able to list out the top SQL statements in terms of total cost, frequency, and cost per invocation.
在清单6中，从根据计数器作为初始步骤的动态sql快照数据中，您可以从总体成本、频率和每次调用成本角度列出最优sql语句。
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