简介:
简介:什么是最好的服务?服务就是要解决顾客的问题。但更重要的是要对顾客做出及时的响应。本文首先强调了响应的重要性,然后给出了如何响应顾客的五个步骤。
简介:按照焦耳定律,恒定电流I通过定值电阻R,在一段时间T内产生的电热Q=I^2RT,比值Q/R=I^2T的几何意义表示一个正四棱柱的“体积”,该棱柱高为T,横截面是边长为I的正方形,如图1所示,据此推广,可以得到计算锯齿波交变电流有效值的一种简便方法:
简介:■Thetwentiethcenturysawmoretechnologicalinventionandcreationthananyotherperiodintheproceedingtwothousandyears.Asaresult,humanactivityhasflourishedandourliveshavebecomericherandmorecolorfulthanever.
简介:Youareimpressedbyanadvertisement,sometimesjustforashortsentence,orjustaphrase,whichindicatesthespiritoftheparticularprod-uctorbrand.Wearegoingtoshowyouthepickofthem.ThisisourTop10.Enjoyit.
KEY WORDS
Key Words
Key WORDS
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锯齿波电流有效值的几何算法
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