發送短信 : New high-toxicity mosquitocidal strains of Bacillus sphaericus lacking a 100-kilodalton-toxin gene

 _    _     _____     _____    _    _     _____   
| || | ||  |  ___||  |__  //  | || | ||  |__  //  
| || | ||  | ||__      / //   | || | ||    / //   
| \\_/ ||  | ||__     / //__  | \\_/ ||   / //__  
 \____//   |_____||  /_____||  \____//   /_____|| 
  `---`    `-----`   `-----`    `---`    `-----`