在社区建立预防疾病、帮助家庭关护患儿，以及在需要的时候把儿童送往诊所或医院的支持机制。
Developing support mechanisms within communities for preventing disease, for helping families to care for sick children, and for getting children to clinics or hospitals when needed.
它的作用有：视网膜光受体机制、 护上皮细胞的完整性、酶体的稳定性、蛋白的合成等。
Vitamins function as photoreceptor mechanism of retina, maintenance of integrity of epithelia, lysosome stability, glycoprotein synthesis.
它的作用有：视网膜光受体机制、 护上皮细胞的完整性、酶体的稳定性、蛋白的合成等。
Vitamins function as photoreceptor mechanism of retina, maintenance of integrity of epithelia, lysosome stability, glycoprotein synthesis.
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