英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
litibus查看　litibus　在百度字典中的解释百度英翻中〔查看〕
litibus查看　litibus　在Google字典中的解释Google英翻中〔查看〕
litibus查看　litibus　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Power (physics) - Wikipedia
    Definition Power is the rate with respect to time at which work is done or, more generally, the rate of change of total mechanical energy It is given by: where P is power, E is the total mechanical energy (sum of kinetic and potential energy), and t is time
  • Power | Energy, Force Work | Britannica
    power, in science and engineering, time rate of doing work or delivering energy, expressible as the amount of work done W, or energy transferred, divided by the time interval t —or W t A given amount of work can be done by a low-powered motor in a long time or by a high-powered motor in a short time Units of power are those of work (or energy) per unit time, such as foot-pounds per
  • Power in Physics: Formula P = W t and Examples
    Power in physics: P = W t and P = Fv explained Watts, horsepower, efficiency, and real-world examples from engines to electrical circuits
  • Defining Power in Physics - ThoughtCo
    In physics, power is the rate in which work is done or energy is transferred over time It is higher when work is done faster, lower when it's slower
  • Power in Physics and Electricity: Electric Power Definition . . .
    Here we Learn about Power in Physics and Electricity (Electric Power) with Definition, Unit, Formula, Calculation and Examples Written Verified by Santosh Das This article is written and reviewed by Santosh Das, an electronics and technology blogger with over 25 years of real-world experience
  • What is power? (article) - Khan Academy
    The power output of electrical equipment such as light bulbs or stereos is typically advertised in watts By definition, one watt is equal to one joule of work done per second So if P represents power in watts, Δ E is the change in energy (number of joules) and Δ t is the time taken in seconds then:
  • Power - Summary – The Physics Hypertextbook
    Summary Definition Power is the rate at which work is done (or the rate at which energy is transformed or transferred)





中文字典-英文字典  2005-2009