current passes.? 实验表明, 使电流流动的电压, 电流流动的速率和电流所通过的物质的电阻这三者之间确有一定的相互关系.?5. The program, or part of it, which tells puters what to do and the data, which provide the information needed to solve the problem, are kept inside puter in a place called memory. ?指示计算机做什么的程序或部分程序,以及提供解决问题所需信息的数据都存储在计算机内的存储器里.РPracticeРText: Pure and Applied Science?1. Pure science is primarily concerned with the development of theories (or as they are frequently called, models) establish-ing relationships between the phenomena of the universe.Р2. Applied science, on the other hand, is directly concerned with the application of the working laws of pure science to the practical affairs of life, and to increasing man’s control over his environment, thus leading to the development of new techniques, processes and machines.
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