根据用途的不同，分为电脑双肩包、运动双肩包、双肩书包、束口绳包、军用背包、登山包等等。
According to different purposes, divided into computer bag, sports bag, backpack, bag, backpack beam rope, climbing bag and so on.
若选择在后束点，则两内口间移植物长度变化表现为超出生理等距范围的短缩。
Changes in distance related to the "posterior bundle point" led to shortening beyond the physiologic isometric range.
若选择在后束点，则两内口间移植物长度变化表现为超出生理等距范围的短缩。
Changes in distance related to the "posterior bundle point" led to shortening beyond the physiologic isometric range.
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