"It is the equivalent of the difference between getting an a and a b," said Karpinski, who will present her findings this week to the annual meeting of the American Educational Research Association.
卡尔平斯基说：“这种差别相当于成绩为A和B的区别。”她将于本周在美国教育研究会年度会议上发表该研究成果。
The only thing that matters is the difference in height between point a and point b.
唯一有关的，就是点a和点b的，高度差。
Results groups B and C were different with group A. The difference between groups A and C was more significant.
结果B组和C组在股骨头缺损修复成骨方面与A组有显著差异，C组差异性更大。
There were significant difference between group A and group B in the prognosis neurological deficit scores(NDS) and activity daily living(ADL) (P<0.05).
两组预后神经功能缺损评分和日常生活质量评分比较有显著性差异（P<0.05）。
The difference between the incidence of infection of groups of Child-pugh class B, C and groups of class A was significant.
两组患者合并各种感染的发生率和A组比较有显著性差异；
Results There was no significant difference in the fertilization rates and cleavage rates between group A and group B (P>0.05).
结果A、B两组受精率、卵裂率比较，差异无统计学意义（P>0.05）；
Changes in lake level must be due to the net difference [between a and b].
湖水含量的变化一定是由于A和B之间的净差值。
There was no significant difference in the pregnancy rates and embryo implantation rates between group A and group B (P>0.05).
两组临床妊娠率和胚胎种植率的差异无统计学意义（P>0.05）；
The difference in acting time was significant between group A and C as well as group B and C.
结果表明 ，雌雄东北虎的行为时间分配和活动节律均存在一定的 差异。
Results The effective rate in the group A and group B were 100% and 83.3% respectively, with a very significant difference in ESR, WBC count and serum level of UA between the two groups(P<0.01).
结果 快速止痛法组总有效率为100%，对照组总有效率为83.3%。且两组治疗后血沉、血白细胞、血尿酸值等差异有显著性（P<0.01）。
The differences between group D(C)and B, A were statistically significant(P<0.05). But difference between D and C has no statistically significant.
D组与C组和第B、A组比较，有显著统计学差异（P<0.05），D组与C组两者之间并无明显统计学差异。
The differences between group D(C)and B, A were statistically significant(P<0.05). But difference between D and C has no statistically significant.
D组与C组和第B、A组比较，有显著统计学差异（P<0.05），D组与C组两者之间并无明显统计学差异。
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