Within the next few years, many forest researchers believe, companies will be totally revamping arboreal genomes, creating wholly new kinds of trees short, fat, almost branchiess that will look nothing like the pines and birches in suburban backyards. 许多森林研究人员相信在未来的几年内,林业公司会完全改变乔木的基因组,创造出全新的树种一矮小、硕、枝一和郊区场院里看到的松树及桦树毫无相似之处。