ppm 

  1. 縮寫
百萬分之...(...Parts per Million)
每千次曝光付費(Pay Per 1000 impression)
可攜像素圖格式(Portable Pixmap)

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                Now the figure is 350 ppm .                            
    2. 
                                                    
  2. 
                                I drink 2-4oz daily of 10 PPM .                            
    3. 
                                                    
  3. 
                                Soil contains 1–10 ppm of arsenic.                            
    4. 
                                                    
  4. 
                                What gases are going down in ppm ?                            
    5. 
                                                    
  5. 
                                CO 2 level was around 750-800 ppm .                            
    6.