Addas desired：如果此设备对于该分区的正常工作并不关键，则使用此选项。
Add as desired: Use this option if this device is not critical to the functioning of the partition.
如史蒂夫·乔布斯所介绍的，该设备的电池可维持10小时机器正常工作，所以你就可以使用所有的第三方应用程序，比如游戏、视频或读在线报纸。
As Steve Jobs says in the presentation above, the device has a 10-hour battery life, so you'll be able to use all the 3rd-party apps, games, video and online newspapers you want.
Addasrequired：如果必须存在此设备该分区才能正常工作，则使用此选项。
Add as required: Use this option if this device must be present in order for the partition to function.
实践证明该方法能够有效地屏蔽各种电磁信号的干扰，保证设备正常工作。
This method can efficiently shield disturb of electromagnetic signals and enableequipment to work normally.
实践证明该方法能够有效地屏蔽各种电磁信号的干扰，保证设备正常工作。
This method can efficiently shield disturb of electromagnetic signals and enableequipment to work normally.
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