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你对功率因数有哪些误解？
最近有做逆变器的客户咨询功率因数测量，客户想了解逆变器的功率因数应该是在怎么样的负载条件下测量的，阻性？容性？还是感性？其实里边存在一个很大的理解误区，忽视这种误区会导致逆变器的生产厂家和使用厂家出现比较严重的分歧。
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jpeg codec on both Linux and windows target
jpeg codec on both Linux and windows target
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该类支持哪些接口；2． 完成任务需要哪些对象；3． 如何使用该类的对象；4． 是否可以直接实例化类；5． 接口有哪些方法和属性；6． 是否有其它类也支持该接口；7． 对象间的关系
该类支持哪些接口；2． 完成任务需要哪些对象；3． 如何使用该类的对象；4． 是否可以直接实例化类；5． 接口有哪些方法和属性；6． 是否有其它类也支持该接口；7． 对象间的关系
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Simulated Annealing for both Stochastic models and Deterministic models
Simulated Annealing for both Stochastic models and Deterministic models
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Learning and Making Decisions When Costs and Probabilities are Both Unknown
Learning and Making Decisions When Costs and Probabilities are Both Unknown
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PCB设计中都有哪些间距需要考虑？
PCB设计中有诸多需要考虑到安全间距的地方。在此，暂且归为两类：一类为电气相关安全间距，一类为非电气相关安全间距。
1.电气相关安全间距：
导线之间间距
据主流PCB生产厂家的加工能力，导线与导线之间的间距不得低于最小4mil。最小线距，也是线到线，线到焊盘的距离。从生产角度出发，有条件的情况下是越大越好，一般常规在10mil比较常见。
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This document describes the MPI and MPI standards They are both extensions to the MPI st
This document describes the MPI and MPI standards They are both extensions
to the MPI standard
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Microwindows genesis was with the NanoGUI project, and is now the primary distribution for both th
Microwindows genesis was with the
NanoGUI project, and is now the primary distribution for
both the
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A Huffman implementation reference design in both VHDL and Verilog is provided by the Xilinx
A Huffman implementation reference design in both VHDL and Verilog is provided by the Xilinx