新西兰奥塔哥master申请求助

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A candidate achieving the degree by papers and a thesis shall normally follow a programme for the equivalent of not less than two years of full-time study and not more than three years of full-time study, and a candidate achieving the degree by thesis alone shall normally follow a programme of study for the equivalent of not less than one year of full-time study and not more than two years of full-time study. Exceptions shall be permitted only with the approval of the Pro-Vice-Chancellor (Sciences).
官网找到这段话  没看明白啊  求解释  到底什么情况些能一年读完毕业