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JIT is a kind of "pull" management system with market demand as the core. The establishment of this concept can urge enterprises to act according to market laws and organize purchasing, transportation, distribution processing, distribution and other activities strictly according to customer needs. Therefore, according to the characteristics of JIT production mode, the requirements of JIT production mode on logistics are analyzed from the perspective of logistics function.(3) The number of registered fire engineers shall not be less than 80% of the sum of the number of registered fire engineers required by the individual qualification conditions to be obtained at the same time, and shall not be less than the number of any individual qualification conditions;　　在接到营救飞虎队飞行员的命令之后，连长郑大勇带领新四军营救队奔赴最危险的地带，而国民党军官王江义也接受了相同的任务，但因为被营救的美国军人掌握军事机密，王江义一定要抢在新四军前面营救成功。开始这两支肩负特殊使命的部队互相猜疑，处处较劲。More and more emotional, yeah ~ I cried twice,Further: The factory method is used to process the creation of objects and delay the implementation of this creation of objects to subclasses, so that the code about the base class in the customer code is decoupled from the subclass object creation code.5. The ship shall make a long sound when approaching the elbow or section of the waterway or channel where other ships may be shielded by intermediary obstacles. The sound signal shall be answered by any incoming ship that may hear it on the other side of the elbow or behind the intermediate obstacle with a long sound.