常見(jiàn)例句Another example is the Dawn Redwood metasequoia, which was described as a fossil in 1941. 另一個(gè)例子是水杉,這種樹(shù)在1941年是被描述為化石的。More common in gymnosperms, such as Parkinson's Songshan category, fir, dawn redwood, silver fir and some angiosperms, such as beech, such as Yang. 多見(jiàn)于裸子植物,如松杉類(lèi)的柏、杉、水杉、銀杉以及部分被子植物,如楊山毛櫸等。The stomatal morphology and size in giant redwood are more similar to those in coast redwood than to those in dawn redwood. 北美紅杉既有類(lèi)似巨杉的氣孔分布方式,又有類(lèi)似水杉的氣孔分布方式;Most stomata locate on the abaxial surfaces of leaves in dawn redwood , and they locate on both the abaxial and adaxial surfaces of leaves in giant redwood. 巨杉葉片的遠(yuǎn)軸面和近軸面都有氣孔分布,水杉的氣孔主要分布在葉片的遠(yuǎn)軸面;Economic development has spurred deforestation and pollution in surrounding provinces in central China, endangering at least 57 plant species, including the Chinese dove tree and the dawn redwood. 經(jīng)濟(jì)發(fā)展增加了中國(guó)中部各省的森林砍伐和環(huán)境污染,這威脅到至少57種植物,包括中國(guó)珙桐和水杉。Wood Properties of Dawn Redwood and Its Comprehensive Utilizations 水杉木材性質(zhì)及綜合利用 返回 dawn redwood