单词：adjoint boundary-value problem
单词：adjoint boundary-value problem 相关文章
This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Builders in developing countries are often not required to build strong buildings. So, when a disaster strikes, the damage is often widespread. 发展中
2011年VOA慢速英语(三)月
The Pentagon plans to shoot down a disabled spy satellite to prevent a potential deadly gas leak, officials said. Upon notification of the descending NRO satellite, the President and his national and homeland security advisors reviewed the options a
万花筒2008年
China's Defense Ministry has asked the US to stop conducting reconnaissance activities close to China to prevent hazardous incidents. Spokesperson Yang Yujun was responding to US claims that two Chinese jet fighters last week unsafely intercepted one
cctv9英语新闻2016年
今天我们要学的词是 reconnaissance. Reconnaissance 名词，意思是侦察。U.S. military officials say the American forces ambushed in Niger were on a reconnaissance patrol. 美国军方官员说，在尼日尔遭遇伏击的美军当时正在
英语单词荟萃
Chinese Ministry of National Defense has said recent incidents in the South China Sea are old tricks used to stir tensions and smear the reputation of Chinese armed forces. The Ministry spokesperson Yang Yujun made the remarks on Tuesday, in response
cctv9英语新闻2015年