明亮的流星，或者说陨石，是番难忘的景象。A bright shooting star, or meteor, is an unforgettable sight.“我们看到了一颗很明亮的流星。”——“真的吗？”"We saw a very bright shooting star."—"Did you really?"一颗流星划过天空。A meteorite streaked across the sky....
The severing theory and severing method for brittle block are studied.研究裂纹技术应用于分离脆性块体的分离理论和分离方法.Three years after severing diplomatic relations, the two countries re - established their ties.断交3年后, 两国又重建外交关系.The stolonif...
"What star sign are you?"—"Gemini."“你是什么星座的？”——“双子座。”A more recent use was in the 1965 rendezvous of Gemini 6 and Gemini 7.较近的一次应用是在一九六五年双子星六号和双子星七号两座太空船会合的时候.The Gemini was about as roomy as the front seat of a small fo...
采用质子微探针技术,分析单个大气气溶胶颗粒物.Single aerosol particles inin winter 2004 were analyzed by proton microprobe.微探针的刻划加工可以分为两个过程, 即 压入过程和刻划过程.The micro - machining by micro probe can be divided into two processes: indentation and sc...