卟啉结构中具有铁,是组成叶绿素的必要物质。
It is found in porphyrins, and is essential for chlorophyll synthesis.
铁油杉的木材结构和它在分类上的位置。
The wood structure of Tsugo-Keteleeria with special reference to its taxonomy.
在运输结构上,通过汉江建立水铁联运的条件已经成熟。
Therefore, the joint transportation of railway and water way is matured in transport structure.
在运输结构上,通过汉江建立水铁联运的条件已经成熟。
Therefore, the joint transportation of railway and water way is matured in transport structure.
应用推荐