https://docs.qualcomm.com/doc/80-70017-3/topic/features.html
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，这一点在爱思助手中也有详细论述
abs_directory = os.path.abspath(directory)
These orchestrated demonstrations climaxed on Aug. 19, 1953, when pro-shah forces and sympathetic leaders in the Iranian military – with CIA financial and logistical backing – seized key points of the country, confronted Mossadegh loyalists and helped topple his government. Estimates suggest around 200 to 300 people were killed in the chaotic fighting in Tehran.
a new argument with a guaranteed unique name: