双语例句
By observing plant stomata, it shows us the stomas are larger than diploid, but the tetraploid density is smaller.
对杜仲二倍体和多倍体的气孔进行了观察比较发现二倍体杜仲的气孔长度小于多倍体的,气孔密度则相反。
气孔
By observing plant stomata, it shows us the stomas are larger than diploid, but the tetraploid density is smaller.
对杜仲二倍体和多倍体的气孔进行了观察比较发现二倍体杜仲的气孔长度小于多倍体的,气孔密度则相反。