That attentiveness was one of the big effects of domestication, some scientists have argued, and a clear difference between the two species.
有的科学家认为，驯化过程中取得的最大成效就是我们培养了狗的这种注意力，这也是狼与狗最明显的区别之所在。
There was no significant difference in the rate of serious side effects, including heart attacks and strokes, between the two groups.
而两组在副作用方面没有明显的不同，包括心脏病发作和中风的发生。
Conclusion: Ast he combined injuries of the two ligaments occurred there was no obvious difference between repaired group and non-repaired group in clinical effects.
结论：距腓前韧带和跟腓韧带复合损伤时单纯修复距腓前韧带与两种韧带同时修复的临床疗效无显著差异。
Results The cooling effects 0.5h, 1h after cooling between two groups had no statistic difference (P>0.05);
结果两组病例冰敷冰枕后0 .5小时、1小时降温效果无显著性差异（P>0 .0 5 ） ；
The inference concerning a difference between the two carry-over effects may be tested by comparing the intrasubject sums of patients in the A-B sequence with that in the B-A sequence.
本文结合实例介绍了交叉试验的计量与计数资料的统计方法。先比较两个顺序组每例的疗效和，以检验两种疗法残余效应的差别。
Adverse effects had no significant difference between the two groups.
两组不良反应的差异无统计学意义。
The incidence of various side effects was less than 10.0% which were mild. There was no statistically difference between the two groups.
用药后两组各种副反应发生率均未超过10.0%，程度轻微，两组间差异无显著性。
The clinic effects had no significant difference between the sphenotresia group and the enlarging sphenotresia group (P>0.05). The two groups had better effects than the conservative group (P<0.001).
钻孔组和骨窗组的疗效比较无显著性差异（P>0 .0 5 ） ，两组疗效均明显优于保守组（P<0 .0 0 1）。
The clinic effects had no significant difference between the sphenotresia group and the enlarging sphenotresia group (P>0.05). The two groups had better effects than the conservative group (P<0.001).
钻孔组和骨窗组的疗效比较无显著性差异（P>0 .0 5 ） ，两组疗效均明显优于保守组（P<0 .0 0 1）。
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