發送短信 : Crossover from the coffee-ring effect to the uniform deposit caused by irreversible cluster-cluster aggregation

  ____       ___     _____      ______    ______  
 |  _ \\    / _ \\  |  __ \\   /_   _//  /_   _// 
 | |_| ||  / //\ \\ | |  \ ||   -| ||-   `-| |,-  
 | .  //  |  ___  ||| |__/ ||   _| ||_     | ||   
 |_|\_\\  |_||  |_|||_____//   /_____//    |_||   
 `-` --`  `-`   `-`  -----`    `-----`     `-`'