结果①乳磨牙缺损组治疗后咀嚼效能与治疗前差异有显著性（P<0.001），前者大于后者；
Results The masticatory efficiency of the primary molar defect group after treatment was significantly higher than that of the group before treatment(P<0.001).
一种能够消除系统内各部件之间的数字定时的差异，从而使每个部件都能发挥最佳效能的技术。
A technique capable of resolving digital timing differences among system components and obtaining the maximum performance out of each.
母亲的教育能力效能感在不同职业上存在显著性差异。
Mother's education capacity efficiency in different professional performance has different levels.
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