Keyboard shortcuts: Common Windows keyboard commands, such as Ctrl-S for Save, Ctrl-P for Print, and many others, are also available on the Mac.

快捷键：常见的Windows快捷指令，例如按Ctrl + s进行保存、Ctrl + P进行打印以及其他快捷指令，都同样可以在Mac键盘上实现。

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If you want to save yourself some typing, get the mysql.batch1 file from the samples directory and run the command mysql -f -u root -p < mysql.batch1.

如果您希望免去一些输入工作，可从 samples 目录获得 mysql.batch1 文件，然后运行命令 mysql -f -u root -p < mysql.batch1 。

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Numerical calculations for sudden expansion pipe flow have shown that the secondary pressure correction method can clearly accelerate convergence, improve accuracy and save C. P. U time.

对突扩管道流动的数值表明，该方法可以明显地加快收敛速度，提高计算精度和节省计算机时。

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