運行下下面的代碼有什么結果看看如下代碼，猜3個時間差如何？運行如下代碼，3個時間差又是怎樣結果？

@echo off
echo %time%
for /l %%i in (1,1,1000) do (
echo a>>t
echo b>>t
echo c>>t
)
echo %time%
for /l %%i in (1,1,1000) do (
echo a>>t.txt
echo b>>t.txt
echo c>>t.txt
)
echo %time%
for /l %%i in (1,1,1000) do (
echo a>>t.dll
echo b>>t.dll
echo c>>t.dll
)
echo %time%
pause
nclick="copycode($('code0'));">復制代碼

請測試后查看，已下設置為白色了。XP SP3 結果：10:38:31.8410:38:51.8910:38:52.2310:39:12.87不知道是不是我個人電腦的問題。。。很郁悶。