已知FOSC=6MHZ,试编写程序,使P1.7输出高电平宽40us,低电平宽360us的连续矩形脉冲。
查看答案
单选Which of the following means nose inflammation?( )
A. laryngitis
B. bronchitis
C. rhinitis
D. gastritis
单选Which of the following means paralysis of the voice box?( )
A. laryngitis
B. laryngoplegia
C. laryngoplasty
D. laryngospasm
单选 Which of the following means insufficient oxygen in the blood?( )
A. hypoxemia
B. anoxia
C. hypoxia
D. hyperoxia
单选Which of the following means abnormal condition of nose fungus?( )
A. rhinorrhea
B. rhinoplasty
C. rhinorrhagia
D. rhinomycosis