透射电镜测试结果表明，树枝状高分子载体与DNA的复合导致DNA结构收缩，粒径减小，分布均匀。
The observation results with transmission electronic microscopy showed that the composition of dendrimer vector and DNA caused shrink of DNA structure.
您会看到一个经过很好的格式化的 XML 结果，然后可以单击 + 和 - 符号来展开或收缩层次结构。
You receive a nicely formatted XML result that you can browse easily by clicking the + and - to expand and collapse parts of the hierarchy.
钙也是必不可少的细胞结构，肌肉收缩，神经传递，酶激活和激素功能。
Calcium is also essential from cellular structure, muscle contraction, nerve transmission, enzyme activation and hormone function.
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