The left side was shot at f/22: The torch is in focus, and you can make out the tree and the house behind it. That's a large DOF.
仔细观察一下这张有一盏落地式火炬灯的照片，左侧是在f/22的光圈拍摄的：火炬灯为焦点，你可以看出背景中的树木和房屋，这就是我们说的大景深。
Phylogenic tree from 29 strains were draw based on the NDV HN gene (part segment), and the result is similar to that of F gene.
根据29株NDVHN基因部分编码序列绘制NDV系统发育进化树，发现F及HN基因的分型结果大致相同。
The results of the experiment shown that the F in tea plants taken up from the soil was mainly transported to the leaves and its content accounted for about 90% of the whole tree.
结果表明，茶树从土壤中吸收的氟，主要向叶片运输，根、茎部基本不积累氟，溶液培养试验也得到了同样的结果。
The results of the experiment shown that the F in tea plants taken up from the soil was mainly transported to the leaves and its content accounted for about 90% of the whole tree.
结果表明，茶树从土壤中吸收的氟，主要向叶片运输，根、茎部基本不积累氟，溶液培养试验也得到了同样的结果。
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