遇一难题 毕业不了了
小弟做论文时遇一难题 如何将以下数据中最后一列删去"2006-02-17 14:20:55.8",3.76275,-2.10275,-0.1705,773.4722,2.929342
"2006-02-17 14:20:55.9",3.87825,-2.4595,0.10525,772.4441,2.943053
（共一万多行）
谢谢
"2006-02-17 14:20:55.8",3.76275,-2.10275,-0.1705,773.4722,2.929342
"2006-02-17 14:20:55.9",3.87825,-2.4595,0.10525,772.4441,2.943053
（共一万多行）
谢谢
2006-04-17 22:21