Endogenous fecal excretion was measured in a subset of children, and net calciumbalance was calculated.
在部分孩子中测定钙的排泄量，计算钙的代谢平衡。
2
The most important function of vitamin D is known to maintain the balance of human calcium metabolism.
已知维生素D最重要的功能是维持人体钙离子代谢的平衡。
3
Lack calcium in the blood, the balance that the body will release the calcium from the bone, and cause the osseous loose disease or the development to hinder.