people appear to born to compute.人似乎生來就會(huì)計(jì)算。The numerical skills of children develop so early and so inexo... [查看全文]
The ways of history are so intricate and the motivations of human actions so complex that it is always hazardou... [查看全文]
When did sport begin? If sport is, in essence, play, the claim might be made that sport is much older than hu... [查看全文]
Although Henry Ford’s name is closely associated with the concept of mass production, he should receive equa... [查看全文]
Accustomed though we are to speaking of the films made before 1927 as "silent", the film has never been, in th... [查看全文]
The increase in international business and in foreign investment has created a need for executives with knowledge... [查看全文]
In science, a theory is a reasonable explanation of observed events that are related.在科學(xué)中,理論是對(duì)所觀察到的相關(guān)... [查看全文]
One of the most important social developments that helped to make possible a shift in thinking about the role o... [查看全文]
Telecommuting-- substituting the computer for the trip to the job ----has been hailed as a solution to all kinds... [查看全文]
By the mid-nineteenth century, the term "icebox" had entered the American language, but ice was still only beginn... [查看全文]