单词：
单词： 相关文章
This Cell Phone Needs No Battery 不用电池的新型手机？ A dying battery is a huge annoyance for cell phone users. But for engineers? It's inspiration. Can we design a smartphone which can make a phone call and have a conversation without the
2017年科学美国人(七)月
BRI Basic Rate Interface 基本速率接口 BRI是最基本的用户/网络接口标准，一般包括一个D通道及两个B通道，称为2B+D。两条B信道可独立传输用户信息，D信道则传
电信英语
By Steve Herman Okinawa, Japan 09 March 2006 The United States pledges to move 8,000 of its Marines off the southern Japanese island of Okinawa. But U.S., Japanese and Okinawan officials are strugglin
2006年VOA标准英语（三月）
A Russian spacecraft carrying three astronauts has docked at the International Space Station. NASA says the crew docked some 400 kilometers above Earth over the Pacific Ocean, off the western coast of Peru, 6 hours after the rocket took off from a Ru
cctv9英语新闻2016年
U.S. military vacated an air base in Pakistan's southwest Sunday, meeting a December 11 deadline set by Islamabad in response to NATO's November 26 air strike that killed 24 Pakistani soldiers. The Pakistani military said it took over the Shamsi base
英语新闻