The subordinate equipments of the system include landscape orientation moving scanner, synchronous signal generator and synchronous lighting device, the upper computer and down microprocessor work together to control the device. 本系统的辅助设备主要有横向移动扫描装置、同步信号发生装置、同步照明装置,而对这些辅助设备的控制则需上位机和下位机协同作业。
The compiler of EP consists internally of lexical scanner module, parser module, semantic analyzer, target code generator module, symbol table management module and error handle module. 编译器由词法分析、语法分析、语义分析、目标代码生成、符号表管理、错误处理六部分组成。
In high-property film scanner, a charge coupled device refrigeration constant temperature system is composed of the temperature sensor, the semiconductor cooler, the programmable PWM impulse generator, the radiator and the fan. 在高性能胶片扫描仪中,CCD恒温制冷系统可以由温度传感器、半导体制冷器、可编程PWM脉冲发生器、散热片和风扇等组成。