dand

Experts point to American dand , flow of guns south .

专家指向美国需求，枪流通向南方。

Occupation music education music profession system dand mode .

为将我国高等职业教育音乐专业教育体系与模式的研究不断引向深入而抛砖引玉。

Do you dand Jo still keep in contact ?

你和乔还保持着联系吗？

The relationship between the mensuration and metastatic and prognosis of intestinal glands carcinoma dand and RNA

大肠腺癌DNA和RNA测定与转移及预后的关系

A recent study concludes that the most effective way to reduce the risk of fractures in later life is to take twice the recommended dose of vitamin Dand calcium daily .

最近一项研究认为在老年减少骨折危险的最好办法就是每天服用双倍于推荐用量的维生素D和钙。

Four-terminal cells use different forbidden - dand width of the upper layer and the lower layer cell materials to absorb separately the lights of different wave length for the purpose of improving the cell efficiency .

四端电池利用上、下层电池材料的禁带宽度不同，可以分别吸收不同波长的光，以达到提高电池效率的目的。