低龄儿童 meaning in Chinese

underage child

Factors affecting young children ' s comprehension of word meaning
低龄儿童词义理解的制约因素
This article , in which a numerical comparison task paradigm was used , designed two experiments to study the characteristics and influencing factors to solve proportional reasoning problems with different comparison difficulties for 4 to 6 younger children
文章采用“数字比较任务” ，设计了两个实验研究4 6岁低龄儿童解决不同难度比例推理问题的特点及其影响因素。