أرسل هذا في رسالة قصيرة: Grid-connected energy storage systems: state-of-the-art and emerging technologies

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