High Fidelity Class D

123yxlyxl2022-10-04 11:39:541条回答

High Fidelity Class D
是D类放大器吗,是不是比a;b类声音差!

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yuanweili1977 共回答了14个问题 | 采纳率92.9%
高保真D类...
1年前

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Fidelity Investments Inc.found 41 percent of the 500 couples it surveyed disagree on whether both or at least one spouse will work in retirement .这个句子 it是作什么成分呢?他是不是作形式主语啊,最好能够解释下为什么
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这个it指代前面主语Fidelity Investments Inc,
it surveyed这里的成分是定语成分,这里省略了引导词whom
idelity
Investments Inc.found 41 percent of the 500 couples (whom it
surveyed) disagree on whether both or at least one spouse will work in
retirement
英语翻译Reframing the values of High Fidelity enthusiasts into a
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Reframing the values of High Fidelity enthusiasts into a product that appeals to a younger generatio
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Reframing the values of High Fidelity enthusiasts into a product that appeals to a younger generation
重新挖掘高保真发烧友的价值,开发出一款吸引年轻一代的高保真产品.
句子结构:reframing sth into a product (that appeals to a younger generation)
reframing 这里是动名词,that引导定语从句(以上括号部分),先行词是product
a product that appeals to a younger generation - 吸引年轻一代的产品
High Fidelity - 高保真
enthusiasts - 发烧友
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1.Fidelity Asset ManagementCompany offers its customers many
1.Fidelity Asset ManagementCompany offers its customers many different investment options,depending onthe risk each investor would like to take.Over the past 10 years,the meanannual return for one of its more risky funds (the Fidelity AggressiveInternational Fund) is 10.47% and the standard deviation is 25.90%.Assume thatthe returns distribution for this fund is normally distributed.Based on this assumption,find the probability that the annual return for this fund.
2.The duration of a train journeyfrom St Pancras to Paris is 135 minutes with a standard deviation of 10minutes.
a)What proportion of trainjourneys take more than 140 minutes?
b)What proportion of trainjourneys take between 130 and 140 minutes?
c)What proportion of trainjourneys take less than 120 minutes?
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第二题简单点:概率分布为 Px= Normal((X-135)/10)
所以
a) P(X>140)=1-P140=30.9%
b) P(130
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fidelity of angle is only achieved at a cost翻译并分析句子结构(at a c
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fidelity of angle 是主语
is only achieved 被动语态作谓语
at a cost方式状语
得到精确的角度是要付出代价的