我尝试每15分钟发送一次消息。我有20条消息，我希望每条消息相隔大约15分钟发送，即消息3在消息2后15分钟发送，消息4在消息3后15分钟发送。现在我只是试图错开触发器工作，但有更高效/优雅的解决方案吗？谢谢你的帮助！
14,29,44,59 10-21 * * * wget -q http://site/message2.php
13,28,43,58 10-21 * * * wget -q http://site/message3.php
12,27,43,57 10-21 * * * wget -q http://site/message4.php
11,26,42,56 10-21 * * * wget -q http://site/message5.php
10,25,41,55 10-21 * * * wget -q http://site/message6.php
9,24,40,55 10-21 * * * wget -q http://site/message7.php
8,23,39,54 10-21 * * * wget -q http://site/message8.php
7,22,38,53 10-21 * * * wget -q http://site/message9.php
6,21,37,52 10-21 * * * wget -q http://site/message10.php
5,20,36,51 10-21 * * * wget -q http://site/message11.php
4,19,35,50 10-21 * * * wget -q http://site/message12.php
3,18,34,49 10-21 * * * wget -q http://site/message13.php
2,17,33,48 10-21 * * * wget -q http://site/message14.php
1,16,33,47 10-21 * * * wget -q http://site/message15.php
0,15,32,46 10-21 * * * wget -q http://site/message16.php
14,31,45,59 10-21 * * * wget -q http://site/message17.php
13,30,44,58 10-21 * * * wget -q http://site/message18.php
12,28,43,57 10-21 * * * wget -q http://site/message19.php
11,27,42,56 10-21 * * * wget -q http://site/message20.php