单词：parametric up-conversion
单词：parametric up-conversion 相关文章
By Gary Garriott Broadcast: September 1, 2003 This is Sarah Long with the VOA Special English Development Report. People have always had to find ways to keep food safe to eat. Methods to dry, smoke an
VOA2003（下）-发展与科学
DEVELOPMENT REPORT – Canning Food By Gary Garriott Broadcast: Monday, January 03, 2005 I'm Gwen Outen with the VOA Special English Development Report. People have always had to find ways to keep foo
农业与发展
[00:00.00]5 By living on campus you get to know the other [00:05.44]students much better because you spend more [00:07.81]time with them. [00:09.29]This is an enriching experience as in a [00:12.18]dormitory you have the opportunity to be [00:14.67]f
北师大版高中英语模块10(选修)
AGRICULTURE REPORT –August 20, 2002: Exploding Meat By George Grow This is the VOA Special English AGRICULTURE REPORT. American scientist Morse Solomon has developed an unusual method to make meat s
农业与发展
Around the world, cesarean births are on the rise, and many experts think that's a bad thing. Now, a new study looks at one way that babies delivered by c-section are different. The number of surgical deliveries has been increasing for years. Some ce
VOA标准英语2010年(七)月
Recently, I was attracted by the American TV series, it called Once Upon a Time. It tells many typical fairy tales happen in a modern town, while the town is controlled by a witch. The drama writer is very skillful in writing the play, he gets famili
英语作文