太阳能电池板能通过自发电脉冲震落其灰尘,以确保最大限度的获得光照。 Imagine giant fields filled with photovoltaic solar panels, soaking up rays. The best spots to put such panels are obviously sunny, with little rain.

发表于:2019-01-02 / 阅读(74) / 评论(0) 分类 60秒科学

Science and Technology 科技 Solar heat for oil wells 用于油井的太阳热能 Mirrors in glasshouses 温室的反光镜... can be used to heat stones ...能用于加热石头 THERE is a lot of energy from ancient sunshine stored in the oil that

发表于:2019-01-07 / 阅读(65) / 评论(0) 分类 经济学人科技系列

This is the VOA Special English Development Report. Millions of people around the world cook their food over a smoky fire every day. It is often difficult to find wood for the fire. People who do not have wood must spend large amounts of money on co

发表于:2019-01-11 / 阅读(56) / 评论(0) 分类 VOA慢速英语2008年(九)月

Large Windows Could Capture Solar Energy 利用大窗户吸收太阳能 Solar cells have been around since the 1950s. But now there is a race to develop transparent solar cell that can cover windows of buildings and still capture the suns light for e

发表于:2019-01-12 / 阅读(56) / 评论(0) 分类 2016年VOA慢速英语(八)月

Science and Technology 科技 Solar heat for oil wells 用于油井的太阳热 Mirrors in glasshouses can be used to heat stones 玻璃房里的镜子.....可以用来加热石头 THERE is a lot of energy from ancient sunshine stored in the oil that

发表于:2019-01-26 / 阅读(59) / 评论(0) 分类 经济学人科技系列

If you live in Wellington, go to Frank Kitts Park on the waterfront to see the Kiwi bach called First Light. It will be there from today until May 24th. Four Victoria University architecture students designed this small house like a Kiwi bach for a c

发表于:2019-02-17 / 阅读(34) / 评论(0) 分类 新西兰英语