Chinese fir is one of the fast-growing trees providing with wood in south China.
杉木是我国南方最主要的速生用材树种之一。
参考来源 - 杉木无性系材性变异研究·2,447,543篇论文数据，部分数据来源于NoteExpress
在北美西部，大多数农业活动已被速生针叶树的单一栽培所取代。
In western North America, most have been replaced by monocultures of fast-growing conifers.
他把威廉姆斯博士的速生幼苗种在了里面，但没有一个茎干露出来。
He had planted Dr. Williams's quick-growing seedlings in it, but none of the stems were showing.
软木是指速生的针叶林品种，占世界木材产量的80%。
Softwoods are fast-growing coniferous species that account for 80% of the world's timber.
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