Alniphyllum fortunei is a fast growing broadleaf specie, which has straight stem form and can be used for many pur-poses.

拟赤杨是一种生长快，干形直，用途广的优良速生阔叶树种。

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Calophyllum polyanthum is a reforestation species of Yunnan province with the quality of straight stem and good wood quality.

滇南红厚壳是云南新发掘出来的一种优质造林树种，其树干通直圆满，材质优良，是制作刨切单板的优质材料。

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Why straight trip regulating valve stem smaller?

为什么直行程调节阀阀杆较细？

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They could be used to build an artificial artery in a test tube or the stem cells could be injected straight into the heart and they could form within it.

FORBES: Why Medical Treatment is Going to Get Much Cheaper

Cancerous rats were then given both 5-fluorocytosine, which circulated throughout their bodies, and genetically tinkered stem cells, which made their way straight to the gliomas.

ECONOMIST: Cancer treatment