• Liberals say the fuel-efficiency requirements for the replacement vehicles are not strong enough for the environment.

    VOA: special.2009.08.07

  • And in practical terms, we can define the efficiency as the ratio of the heat in to the work out.


    麻省理工公开课 - 热力学与动力学课程节选

  • In principle, this value, this efficiency, can approach 1 as the low temperature approaches absolute zero.


    麻省理工公开课 - 热力学与动力学课程节选

  • The father is an efficiency expert, an expert in doing things better and faster.

    VOA: special.2009.05.04

  • But the things we were trying to stress were that it's an important design decision when you are coming up with a piece of code, as to what kind of efficiency your code has.


    麻省理工公开课 - 计算机科学及编程导论课程节选

  • Some manufacturers are pushing cars to new levels of fuel efficiency.

    VOA: special.2010.11.17

  • Now, we concluded last week at looking at sorts and efficiency, some new notation called asymptotic notation and we'll continue that story today.


    哈佛公开课 - 计算机科学课程节选

  • The letters H-E-P-A represent the words High Efficiency Particulate Air.

    VOA: special.2009.07.14

  • If the vehicle in the unfortunate circumstances of a collision, has to be able to maintain the security of the hydrogen which means more mass, which means a lot of the efficiency is being squandered What's the environmental impact of hydrogen production?


    麻省理工公开课 - 固态化学导论课程节选

  • The Tennessee senator also wants more exploration for offshore oil and natural gas, and more conservation and efficiency in electricity use.

    VOA: standard.2009.04.25

  • People do that with differing levels of efficiency.


    耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

  • Why do we need energy efficiency experts? Introducing them means hitting the energy monopolist over the head.

    VOA: standard.2010.02.03

  • And so instead of defining efficiency the way you've got it written there, I'm going to define what's called something different for a refrigerator which is called the coefficient of performance.


    麻省理工公开课 - 热力学与动力学课程节选

  • He said Russia will none-the-less continue to push for domestic energy efficiency and cuts in carbon emissions.

    VOA: standard.2009.12.25

  • So that means we can rewrite this efficiency.


    麻省理工公开课 - 热力学与动力学课程节选

  • He talked with one group about creating jobs by promoting energy efficiency and so-called clean energy.

    VOA: standard.2009.12.04

  • As long as it's reversible, you know what the efficiency has to be, and in principle, you could break it down into a bunch of steps that you could formulate as isothermal and adiabatic.


    麻省理工公开课 - 热力学与动力学课程节选

  • "Very encouraging, I think they've made a lot of significant progress especially in command and control and the quality of their Kandaks and their efficiency."

    VOA: standard.2010.05.26

  • Now, let's just look at our efficiency.


    麻省理工公开课 - 热力学与动力学课程节选

  • U.S.President Barack Obama has used his weekly address to encourage fiscal discipline in the federal government, and outline his plans to eliminate waste and increase efficiency.

    VOA: standard.2009.04.25

  • Now. It's a quick sidebar, I've got to say, I'm sure talking about efficiency to folks like you probably seems really strange.


    麻省理工公开课 - 计算机科学及编程导论课程节选

  • Energy efficiency means fewer energy profits,".

    VOA: standard.2010.02.03

  • And I just want to write those because what I really want to get at is what's the efficiency of the whole thing?


    麻省理工公开课 - 热力学与动力学课程节选

  • "At a per-passenger-mile basis, rail is about three times as efficient as travel by car, in terms of fuel efficiency, and six times as efficient as travel by air, so there are pretty substantial pollution reduction benefits both in terms of greenhouse gases and other pollutants."

    VOA: standard.2010.02.15

  • I mean, you grew up in an age when computers were blazingly fast, and have tons of memory, so why in the world do you care about efficiency?


    麻省理工公开课 - 计算机科学及编程导论课程节选

  • We've formulated one particular kind of engine, and seen how we can analyze what it does, come up with relations that seem of value for efficiency and other quantities.


    麻省理工公开课 - 热力学与动力学课程节选

  • So we're not going to turn you into an expert on computational efficiency.


    麻省理工公开课 - 计算机科学及编程导论课程节选

  • Now, efficiency is obviously an important consideration when you're designing code, although I have to admit, at least for me, I usually want to at least start initially with code that works, and then worry about how I might go back and come up with more efficient implementation.


    麻省理工公开课 - 计算机科学及编程导论课程节选

  • That's our expression for the efficiency.


    麻省理工公开课 - 热力学与动力学课程节选

  • We can figure out the efficiency.


    麻省理工公开课 - 热力学与动力学课程节选


high efficiency 高效率

production efficiency 生产效率

work efficiency 工作效率;劳动效率;加工效率

economic efficiency 经济效率

energy efficiency 能源效率;能量效率

improve efficiency 提高效率

removal efficiency 去除效率

thermal efficiency 热效率

conversion efficiency 换能效率

operating efficiency 营业效率,经营效率;工作效率

operational efficiency 经营效率;运作效率

transfer efficiency 转换效率;传输效率;合金过渡系数

increase efficiency 提高效率

current efficiency 电流效率

economical efficiency 经济效率,经济效果;经济有效

transmission efficiency 传输效率,通话效率

learning efficiency 学习效率

recovery efficiency 采收率;回收效率

computational efficiency 计算效率

displacement efficiency 驱替效率;置换效率;洗油效率

- 来自原声例句

进来说说原因吧 确定

进来说说原因吧 确定