打开通道面板并点击图标来创建一个新的阿尔法通道。
Open the Channels Palette and click the icon to create a new AlphaChannel.
客场：双翼齐飞：打开通道和把球远离开那些能够阻截球的位置。
Away: Down Both Flanks: Exploits the channels and keeps the ball away from positions from which interceptions will be costly.
如果打开通道，进行几次操作调用，然后成功关闭通道，则可以假定通道未以意外方式关闭。
If you open the channel, make several operation calls and close the channel successfully, then you can assume that the channel did not close unexpectedly.
打开通道面板，依次观察每个通道，看看哪一个黑白对比最明显——在这个例子中最明显的是绿通道。
Switch to your Channels TAB and cycle through each channel in turn to determine which holds the most contrast - in this case it's the Green.
打开通道面板，依次观察每个通道，看看哪一个黑白对比最明显——在这个例子中最明显的是绿通道。
Switch to your Channels TAB and cycle through each channel in turn to determine which holds the most contrast - in this case it's the Green.
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