progressions的意思|示意
[数] 级数
CET4 / CET6 / GRE / GMAT SAT
progressions相关短语
1、 arithmetic progression 等差级数，等差数列；算术级数，算术数列
2、 geometric progression 几何级数；等比级数
progressions相关例句
Progressions of gene therapy studies for hemophilia B were introduced in this paper.
就血友病B的基因治疗研究进展及所存在的问题作一综述.
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