本书由国防军事领域的科普专家团队精心编撰,
For example , an especially useful theoretical model for Workshop leaders is Perry's ( 1968 ) description of the intellectual and personal development of college students . This theory , originally developed at Harvard in the 1950s ...
海豚本是龙皇的三女儿,为了报答救命之恩,她变成一位美丽的姑娘,嫁给大有为妻。从那以后,大有每日划船渡人,妻子在海湾边养殖珍珠,过着甜蜜幸福的日子。邻居们看到新娘如花似玉,又有一手养殖珍珠和加工首饰的绝活儿,便叫她“珍珠渔女”,将她养殖珍珠的地方 ...
毛毛虫是怎样变成蝴蝶的?蝴蝶的一生要经历四个不同的发育阶段:第一阶段,蝴蝶挑选合适生存的、可以提供充足食物的植物,把卵产在上面。第二阶段,卵渐渐孵化成毛毛虫。这一时期,毛毛虫摄取的食物非常多,生长速度很快,而且要经过几次蜕皮,为变成蛹打好基础。
This reference looks at the processes of scientific discovery throughout history. It attempts to answer the basic questions: the story behind the breakthrough; the knowledge that led to the discovery;...
Apply state-of-the-art LRFD methods in any steel structure design. Here's a complete, do-it-by-example approach to employing cutting-edge LRFD methods in virtually any steel structure design. In Steel Design Handbook: LRFD...
This book brings together the reflections of independent researchers from around the world. Sixteen authors from fourteen countries present their views on the use of information and communication technology (ICT)...
本书由国防军事领域的科普专家团队精心编撰,内容涵括了当今最先进的核武器装备领域,深入浅出、妙趣横生地介绍了各种核先进武器的发展历程、性能特点等知识,是普及青少年国防科普教育的优秀读物。
"It so happens that the work which is likely to be our most durable monument, and to convey some knowledge of us to the most remote posterity, is a work...
Illus. with full-color art and diagrams. "Capitalizing on humankind's innatecuriosity, Parker examines over 300 everyday machines, mechanisms, andprocesses through visually appealing illustrations and diagrams. This colorfulwork concisely details how individual...
本书对世界核能发展的历史进行了详细的介绍,描述了核能发展既漫长又曲折的道路,展示了核能作为清洁能源、充足能源、环保能源的广阔前景。