英语词汇overall efficiency怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

双语例句

1
By the year 2020, they would cut Europe's carbon emissions by at least a fifth over 1990 levels; derive 20% of all energy from renewable sources; and make energy-efficiency savings of 20%.
也就是到了2020年，欧盟对二氧化碳的减排程度将达到1990年水准的20%；从再生能源中将提取20%的各种能源；并且提高能源效率而节省20%的开支。
2
The atrium hall also functions as a natural preheating of fresh air, thus contributing to over all energy efficiency.
中庭大厅也有一种预热天然的新鲜空气的功能，从而提高了所有的能源效率。
3
Broader investigations by experts on education, physics and instruction showed: physics instructional efficiency is low all over the world.
由教育家、物理学家及教学法专家所进行的广泛的研究和调查显示：世界范围内物理教学低效率。

单词	overall efficiency
释义	overall efficiency 简明释义总体效率：指一个系统或过程的整体效率，包括各个环节的效率和协同作用。网络释义短语 1 average over all efficiency 平均总效率 2 over-all resolution efficiency 总分离效能指标 3 over-all resolution efficiency k 总分离效能指标k 双语例句 1 By the year 2020, they would cut Europe's carbon emissions by at least a fifth over 1990 levels; derive 20% of all energy from renewable sources; and make energy-efficiency savings of 20%. 也就是到了2020年，欧盟对二氧化碳的减排程度将达到1990年水准的20%；从再生能源中将提取20%的各种能源；并且提高能源效率而节省20%的开支。 2 The atrium hall also functions as a natural preheating of fresh air, thus contributing to over all energy efficiency. 中庭大厅也有一种预热天然的新鲜空气的功能，从而提高了所有的能源效率。 3 Broader investigations by experts on education, physics and instruction showed: physics instructional efficiency is low all over the world. 由教育家、物理学家及教学法专家所进行的广泛的研究和调查显示：世界范围内物理教学低效率。
随便看	Griffin College griffin cotton Griffing Griffing griffinhood griffinhood Griffinia griffinism Griffin mill griffin Griffin's low form beaker Griffin wheel Griffin wheel pressure forming process griffis griffiss Griffiss Air Force Base Griffith griffith bittercress herb Griffith Condorvine Herb Griffith crack griffith crack theory griffith criterion Griffith, D W Griffith equation Griffith flaw