该物质现在已被分子生物学家克隆。This substance has now been cloned by molecular biologists.他们的解决方案是分离出特定的B细胞克隆,然后将它们和癌细胞结合。Their solution was to isolate specific clones of B cells and fuse them with cancer cells.克隆已经灭绝的生物的想法仍旧只限于科幻小说中。T...
河狸寻找造窝的场所时是很挑剔的.A beaver looking for a building site is very choosy.河狸还不仅仅会造窝.But beavers do more than build their houses.水獭啃倒树木,以便取食物并获得造窝的材料.The beaver chews down trees to get food and material with which to build its ...
Assembly language programming, low level data structures , introduction to operating systems , and compilers microprogramming, pipelining.汇编语言程序设计, 低层数据结构, 操作系统导论和编译器.We can see evidence of the compilers groping towards ...
画家胸有成竹的笔触an artist's sureness of touch这本书以幽默的笔触论述了父母的身份.The book takes a humorous look at parenthood.格雷以富于戏剧性和令人着迷的细腻笔触描写了这5位女性的生活。Gray describes in dramatic and spellbinding detail the lives of these five ladies....
再创猪的竞赛也并非深不可测.The race to reinvent the pig is not hard to fathom.把猪的整个器官移入人体相当复杂.Moving whole organs from pigs into people is vastly more complicated.“ 宰猪的!" Isn't it terrific slaughtering pigs?...