Boeing has taken the lead in developing new technology to make big aircraft more efficient, more economical and more eco-friendly.
波音公司在研制新技术上处于领先地位，这些新技术使大型飞机更加的高效、经济和环保。
Take materials scientist Ting Xu. She’s using nanotechnology to craft solar cells that are more energy-efficient and eco-friendly than oil or coal.
以材料科学家徐婷为例，她正在用纳米技术制造太阳能电池，这是比石油和煤炭热能更高更环保的能源。
This eco-friendly X-Wing is the most efficient ship in the sky.
X翼战机对环境友好，是天空中最具能效的飞船。
Volkswagen says it wants to be "the most eco-friendly automaker in the world", but only 6% of the cars it sold in 2010 were its most efficient models.
大众公司宣称它希望成为“世界上最为环境友好的汽车制造商”，然而在它2010年销售的汽车中只有6%是最高效环保的。
To educate the staff to efficient use of energy system to help the hotel to implement eco hotel?
教育不同部门的员工善用能源系统能助酒店推行环保？
In the Tower A/B of annex building, the safe, efficient, energy-saving and eco-friendly U. S. YORK central air conditioners provide excellent business environment.
辅楼A、B座，均采用美国约克中央空调机组，安全高效，环保节能，为您提供优质办公环境。
Attempts should be made by scientists to explore and popularize efficient and eco-friendly techniques of recycling wastes.
科学家们应该努力去研发和普及高效环保的废料循环技术。
Attempts should be made by scientists to explore and popularize efficient and eco-friendly techniques of recycling wastes.
科学家们应该努力去研发和普及高效环保的废料循环技术。
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