Germany has the lowest ratio (1.3), largely thanks to its successful apprenticeship system.
德国人的比率最低为1.3，这多亏了其成功的学徒制度。
Schools should manage new teachers scientifically and improve the apprenticeship system.
任教学校则应该科学管理新教师和完善师徒制度；
Schools should manage new teachers scientifically and improve the apprenticeship system.
任教学校则应该科学管理新教师和完善师徒制度；
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