流感嗜血杆菌; 携带率; 生物学分型; 血清分型; 基因分型; 日托幼儿园 ( Child Day Care Centers ); 血清分型(Serotyping); 嗜血菌流感(Haemophilus influenzae); 分子分型(Molecular Typing); 儿童学龄前(Child, Preschool)..
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Externalizing is significantly correlated with the proportion of child care provided by day-care centers, and this correlation does extend all the way through to the sixth grade.
外化与日托中心提供的对儿童的教养息息相关，而且这种相关性会一直持续到六年级。
Since both parents usually work, leaving child care to grandparents or day centers, most Sundays are devoted to family excursions.
由于父母通常都要工作而把孩子送到老辈人或幼儿园那里照料，大多数星期天成了全家外出游玩的日子。
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