發送短信 : Effect of positive and negative corona discharge field on vigor of millet seeds

  _____    _    _     _  _      ___     _    _   
 / ____|| | || | ||  | \| ||   / _ \\  | || | || 
/ //---`' | || | ||  |  ' ||  | / \ || | || | || 
\ \\___   | \\_/ ||  | .  ||  | \_/ || | \\_/ || 
 \_____||  \____//   |_|\_||   \___//   \____//  
  `----`    `---`    `-` -`    `---`     `---`