what substrings does the regex (a|ab)+ match in the following input?
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，这一点在PDF资料中也有详细论述
部分分析人士认为，除非下一任伊朗最高领袖更愿意与美国进行谈判，否则伊朗经济很快就会沦为“停车场”。如果最高领袖被另一个不愿与美国谈判的强硬派取代，那么美国的军事行动将具有惩罚性，“伊朗将倒退回中世纪”。
lineage.dependencies :: tells the system that your device is actually designed on the basis of a System-on-Chip which is used for other devices as well and some drivers can be shared