Children's educational toys. Allow children's intellectual and mental development to be effective.
儿童益智玩具。能让小孩子的智力和脑力得到有效的开发。
Children's educational puzzles. Color soliciting... let children's intellectual and mental development to be effective.
儿童益智拼图。色彩引人…能让小孩子的智力和脑力得到有效的开发。
AIM: To observe the influence of early intellectual intervention on the intellectual development of high risk infants, and its long-term effect in pre-venting and treating mental retardation.
目的：观察早期智能干预对高危新生儿智能发育的影响，及其防治智力低下的远期效果。
AIM: To observe the influence of early intellectual intervention on the intellectual development of high risk infants, and its long-term effect in pre-venting and treating mental retardation.
目的：观察早期智能干预对高危新生儿智能发育的影响，及其防治智力低下的远期效果。
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