It's been known for years that usability testing can dramatically improve products. But with a typical price tag of $5,000 to $10,000 for a usability consultant to conduct each round of tests, it rarely happens. In this how-to companion to Don't Make Me Think: A Common Sense Approach to Web Usability, Steve Krug spells out an approach to usability testing that anyone can easily...(展开全部)

It's been known for years that usability testing can dramatically improve products. But with a typical price tag of $5,000 to $10,000 for a usability consultant to conduct each round of tests, it rarely happens. In this how-to companion to Don't Make Me Think: A Common Sense Approach to Web Usability, Steve Krug spells out an approach to usability testing that anyone can easily...(展开全部)

This highly respected book is a simple, readable guide to the accurate identification and interpretation of abnormal electrocardiogram (ECG) patterns for medical students, nurses and junior doctors. The emphasis throughout is on the straightforward practical application of the ECG. It will prove useful to all medical and health care staff who require clear, basic knowledge ab...(展开全部)

This highly respected and famous book is a simple, readable guide to the accurate identification and interpretation of abnormal electrocardiogram (ECG) patterns, written for medical students, nurses and junior doctors. The emphasis throughout is on the straightforward practical application of the ECG. Generations of medical and health care staff have benefited from its clear-cu...(展开全部)

Rocket Age traces the history of spaceflight innovation from Robert Goddard’s early experiments with liquid fuel rockets, through World War II and the work of Wernher von Braun and his German engineers, on to the postwar improvements made by Sergei Korolev and his team in the Soviet Union, and culminating with the historic Moon walk made by Neil Armstrong and Buzz Aldrin on Jul...(展开全部)

萨曼莎·克莱因伯格（Samantha Kleinberg） 计算机科学专业博士，现任斯蒂文斯理工学院计算机科学专业副教授，致力于研究那些只可观而不可进行实验的系统的运行原理。