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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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With the successful implementation of XML Schema, developers are learning how to increase productivi
With the successful implementation of XML Schema, developers are learning how to increase productivity
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Due to an increase in demand for and questions about direct disk access for Micrososft platforms, a
Due to an increase in demand for and questions about direct disk
access for Micrososft platforms, and
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A good automatic increase plus a link to the procedure, test a success rate of 80％
A good automatic increase plus a link to the procedure, test a success rate of 80％
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Maximizing the SDMA Mobile Radio Capacity Increase by DOA Sensitive Channel Allocation
Maximizing the SDMA Mobile Radio Capacity Increase
by DOA Sensitive Channel Allocation
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This paper presents a novel technique to increase the quality of medical images based on Histogram
This paper presents a novel technique to increase
the quality of medical images based on Histogram
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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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GExperts is a set of tools built to increase the productivity of Delphi and C++Builder programmers
GExperts is a set of tools built to increase the productivity of
Delphi and C++Builder programmers by
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Received chat message sent there is choice, as well as an increase of server features and color disp
Received chat message sent there is choice, as well as an increase of server features and color displayinformation
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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。