A new study has found that most three-year-old children can remember a lot of what happened to them a year earlier, and these memories are still clear while they are 5 and 6, but by the time they are over 7, these memories become weaker rapidly.
一项新的研究发现，大多数三岁的孩子都能记得很多一年前发生在他们身上的事情，在他们5岁到6岁的时候，这些记忆仍然清晰，但当他们超过7岁时，这些记忆就会迅速变弱。
Conclusion: The masticatory efficiency of 7~9 year-old children was negative correlated with caries status index, and filling of decayed teeth can significantly increase masticatory efficiency.
结论：7~9岁儿童咀嚼效能与患龋状况存在直线负相关关系，龋病充填治疗可显著增加患龋儿童的咀嚼效能。
Objective: to study the variations of parenting practices during children from 2 to 7 year-old and its relation to childrens inhibition.
目的：考察父母教养行为在儿童2岁和7岁时的差异及其与儿童抑制性的关系。
Methods 612 children aged 6~7-year-old from 2 schools were assigned to a fluoride foam group, a fluoride gel and a control group.
方法将武汉市两所小学612名6～7岁儿童分为氟化泡沫组、氟化凝胶组和对照组，每6个月分别使用一次氟化泡沫和氟化凝胶，为期2年。
To normal children of 5 -. 7 -. And 9-year-old, false response increases along with the age.
对5、7、9岁正常组被试而言，虚假反应的选择随着被试年龄的增长呈现递增的趋势。
Barson's own children, Luis, age 12, and 7-year-old Lilly, have never attended school.
巴森女士的孩子，12岁的路易斯和7岁的利利从未上过学。
Objective To evaluate the clinical value of Preoperative psychological interventions among 7 ~ 12 year old children.
目的探讨心理干预在7 ~ 1 2岁儿童术前应用中的临床价值。
Results: The more distance of maxillary molar and more obvious inhibition of maxilla bone growth forward in group of 7~8 year old children were detected than those in group of 10~11 year old children.
结果：发现7～8岁组患儿上磨牙远移的距离大于10～11岁组的患儿，7～ 8岁组患儿上颌骨向前生长所受抑制较10～ 11岁组明显，7～ 8岁组患儿替牙期选用口外弓的治疗效果较10～ 11岁组为好。
The relationship between blood Zn, Fe, Ca and dietary habits and growth of 1125 children of 3~7 year old in urban district of Dongguan city was studied.
探讨了莞城地区幼儿园3～7岁儿童血锌、铁、钙值与饮食习惯、身高、体重、易感染情况的关系，以便进一步指导喂养。
Methods By using the National 3~7 year-old children's temperament norm and scale complied by our department, children in Xi'an city were sampled and surveyed.
方法应用本科室研制的全国3～7岁儿童气质的常模及量表，对西安市一所幼儿园及一所小学3～ 7岁儿童进行了抽样调查。
The present study investigated how 7, 9, and 11 year old children understand lies and make moral judgement on lying.
本研究对7、9和1 1岁儿童进行了说谎概念的理解与道德评价的研究。
Thee oldest, 7-year-old DeMond Tunstall, was found in the dryer and the younger two children - 2-year-old Ivan Tunstall-Collins and 1-year-old Jinela Tunstall - in the washer.
最大的孩子德蒙·汤斯顿，7岁，他的尸体是在干燥机里发现的；年龄稍小的两个孩子分别是两岁的伊万·汤斯顿·柯林斯和1岁的杰里拉·汤斯顿，他们的尸体是在洗衣机里发现的。
The oldest, 7-year-old DeMond Tunstall, was found in the dryer and the younger two children - 2-year-old Ivan Tunstall-Collins and 1-year-old Jinela Tunstall - in the washer.
最大的孩子德蒙·汤斯顿，7岁，他的尸体是在干燥机里发现的；年龄稍小的两个孩子分别是两岁的伊万·汤斯顿·柯林斯和1岁的杰里拉·汤斯顿，他们的尸体是在洗衣机里发现的。
The oldest, 7-year-old DeMond Tunstall, was found in the dryer and the younger two children - 2-year-old Ivan Tunstall-Collins and 1-year-old Jinela Tunstall - in the washer.
最大的孩子德蒙·汤斯顿，7岁，他的尸体是在干燥机里发现的；年龄稍小的两个孩子分别是两岁的伊万·汤斯顿·柯林斯和1岁的杰里拉·汤斯顿，他们的尸体是在洗衣机里发现的。
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