The basic principle, main properties, and general situation of Multi - Beam klystron ( MBK ) are introduced.系统地介绍了多注速调管的工作原理 、 主要特点和发展概况.The main component of experiment equipment of coherent harmonic radiation in Hefei ...
The results showed that interface of intermetallic compound foam can move into aluminium alloy matrix.结果表明金属间化合物界面向铝合金基体中移动....second-hand sofas with old-style foam fillings.老式泡沫芯子的二手沙发a glass of beer with a good head of...
" I have the gaff now, " he said.“ 我现在还有那根鱼钩, " 他说.I can reach him with the gaff and eat him here in comfort. "我可以用鱼钩把它钓过来,在这儿舒舒服服地吃. ”I can reach it with the gaff and eat it here in comfort.我可以用鱼钩去把它钩过来,坐在这儿舒舒服服地吃掉它....
Zoe Bannister hunched over her veranda desk, correcting exercise books.佐伊·班尼斯特弓着身子,趴在她阳台的写字台上, 批改著作业.The desk is placed at the further end of the room.书桌摆在房间里较远的一头。...a modern reception desk with telephone and fax...有电话和...