Semiconductor devices can perform a variety of control functions in electronic equipment.半导体器件在电子设备中能起各式各样的控制作用.In semiconductor receivers transistors take the place of vacuum tubes.在半导体收音机中晶体管代替了真空管.The conductor is rel...
It does sometimes help to know the nutritional content of foods.知道食物所含的营养成分有时的确有帮助。When you sprout seeds their nutritional content increases.让种子发芽后，其营养含量会提高。A diet lacking in nutritional value will not keep a person heal...