60秒科学:自动除尘的太阳能电池板

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)

60秒科学

DEVELOPMENT REPORT – How to Make a Solar Water Heater

DEVELOPMENT REPORT – How to Make a Solar Water Heater By Gary Garriott Broadcast: Monday, November 29, 2004 I'm Gwen Outen with the VOA Special English Development Report. Solar water heaters save o

发表于:2019-01-02 / 阅读(60) / 评论(0)

农业与发展

China's clean-energy-generated power usage on rise

China's clean-energy-generated power usage on rise BEIJING, Nov. 24 (Xinhua)-- Consumption of clean-energy-generated electricity has increased in China as it looks to become less reliant on fossil fuels, statistics from the State Electricity Regulato

发表于:2019-01-07 / 阅读(53) / 评论(0)

英语新闻

四级作文常见语法错误汇总（2）

用词错误 1) Students must know how to operate a computer. / Students must know how to work on a computer. 2) People can be exposed to many new things on the Internet. / People can learn many new things on the Internet. 3) The purpose of this lett

发表于:2019-01-08 / 阅读(47) / 评论(0)

大学四六级阅读

VOA标准英语2010年-India Plugs into Low-Cost Solar Techno

India seems to excel at making things smaller and cheaper. The $2,500 car and the $35 computer are just two of the country's latest innovations. Now, India increasingly is focused on low-cost solar technology. The front lines of that effort are seen

发表于:2019-01-14 / 阅读(41) / 评论(0)

VOA标准英语2010年(十)月

英文应该简化么？

Simplified Spelling Society: Let's get phonetic 英文应该简化么？ The Simplified Spelling Society (SSS) is celebrating its 99th birthday by launching a new campaign to make it easier to read and write English. It may be the world's most univer

发表于:2019-02-22 / 阅读(51) / 评论(0)

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