.cpp文件。输入中序表达式,可以计算10以内的整数四则混合运算。思路是用中序转后序,再进行计算。-. cpp file. Input sequence expression, can be calculated within 10 4 mixed-integer calculations. Idea is to be used in sequence after sequence, and then calculated.
立体声是由不同的声道馈给不同的SP于不同的音频信号,使每个SP发出不同的声音,使人有声音是由不同的声源从各个位置传到人耳当中的感觉,产生空间立体概念。-stereo is made up of different channels to different feed the SP in different audio signals, SP issued each different voices, the voices of the people are different from the sound source from the location of all of them reached the ears of people feeling have a concept of three-dimensional space.
产品管理系统。本设计的要求是实现入库、库存和出库统一管理,帮助企业实现新产品信息化管理。-product management system. This requirement is designed to achieve storage, inventory, and from the unified management, and help enterprises achieve new product information management.