他所深爱的平凡日常，在生日这天被彻底“抹除”。同学、街道、甚至回忆，都像被橡皮擦去般无声消失。 他所熟悉的钟表匠父亲与书店管理员母亲，竟是守护时空秩序的“维序者”。而此刻，吞噬一切的“虚无”正汹涌而来。“忘记我们，活下去。”这是父母最后的爱...

In this lively and stimulating account, noted mathematician and educator W. W. Sawyer (Professor Emeritus, University of Toronto) defines mathematics as "the classification and study of all possible patterns." It is a broad definition, but one that seems appropriate to the great scope and depth of the topic. Indeed, mathematics seems to have few boundaries, either in applicatio...(展开全部)

他所深爱的平凡日常，在生日这天被彻底“抹除”。同学、街道、甚至回忆，都像被橡皮擦去般无声消失。 他所熟悉的钟表匠父亲与书店管理员母亲，竟是守护时空秩序的“维序者”。而此刻，吞噬一切的“虚无”正汹涌而来。“忘记我们，活下去。”这是父母最后的爱...

It is the year 12,020 G.E. and Emperor Cleon I sits uneasily on the Imperial throne of Trantor. Here in the great multidomed capital of the Galactic Empire, forty billion people have created a civilization of unimaginable technological and cultural complexity. Yet Cleon knows there are those who would see him fall - those whom he would destroy if only he could read the future. ...(展开全部)

In this lively and stimulating account, noted mathematician and educator W. W. Sawyer (Professor Emeritus, University of Toronto) defines mathematics as "the classification and study of all possible patterns." It is a broad definition, but one that seems appropriate to the great scope and depth of the topic. Indeed, mathematics seems to have few boundaries, either in applicatio...(展开全部)

This book is the first to present Wordsworth's greatest poem in all three of its separate form. It reprints, on facing pages, the version of "The Prelude" was was completed in 1805, together with the much-revised work published after the poet's death in 1850. In addition the editors include the two-part version of the poem, composed 1798-99. Each of these poems has its distinct...(展开全部)

His eyes were open now, watching the path of the tiny flame. If you continue your path, little spark, you will cause great harm.I must burn! I must live!There are places where your glow and heat are welcome. Find them, do not destroy the dwellings or take the lives of my people!For a second, he seemed to wink out of existence but then blazed back with renewed vigor.Thrall knew ...(展开全部)

This book is the first to present Wordsworth's greatest poem in all three of its separate form. It reprints, on facing pages, the version of "The Prelude" was was completed in 1805, together with the much-revised work published after the poet's death in 1850. In addition the editors include the two-part version of the poem, composed 1798-99. Each of these poems has its distinct...(展开全部)

The SARS epidemic of 2003 was one of the most serious public health crises of our times. The event, which lasted only a few months, is best seen as a warning shot, a wake-up call for public health professionals, security officials, economic planners, and policy makers everywhere. SARS (Severe Acute Respiratory Syndrome) is one of the “new” epidemics. SARS in China addresses the...(展开全部)

The editors: Arthur Kleinman is Esther and Sidney Rabb Professor and Chair of the Department of Anthropology, Harvard University, and Professor of Medical Anthropology and Social Medicine at the Harvard Medical School. James L. Watson is Fairbank Professor of Chinese Society and Professor of Anthropology at Harvard University. He is also the author of Golden Arches East: McDona...(展开全部)