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Senior Investment Manager of Bertelsmann Asia Fund (BAI) Congjia said that he attached great importance to the comprehensive strength of the team. "In recent years, offline children's mathematical thinking institutions have developed very fast, especially some institutions have achieved a relatively high growth rate without expanding schools, which shows that parents' awareness of children's mathematical thinking in the original region is gradually improving and the market demand will be great in the future. For educational institutions, the premise to realize sound operation is that all links from teaching and research, teacher training to operation and management need to be relatively mature and perfect. "更多工人放下了手中的工作，来到滩边随着老翁望去。I/O multiplexing refers to using a thread to check the ready state of multiple file descriptors (Socket), such as calling select and poll functions, passing in multiple file descriptors, returning if one file descriptor is ready, otherwise blocking until timeout. After getting the ready state, the real operation can be executed in the same thread or thread execution can be started (such as using thread pool).Updated February 26　　为了搞清真相，证明唐山还存在着地震的危险，周海光顶着压力继续监测。在一次野外监测中，周海光搭救了在郊游中被群蛇惊吓而落下悬崖的向文燕...5-second rule: After holding the ball, the player must throw the foul ball within 5 seconds, and FIBA rule stipulates that the free throw must also be shot within 5 seconds.