标题琼岛杨和响叶杨叶结构的比较研究。
Comparative study on the leaf structure in Populus qiongdaoensis and P. adenopoda.
探讨了加杨叶中天然产物黄酮类化合物含量变化与其他相关成分的关系。
Thirdly, the relationship between the content of flavonoids of Populus Canadensis Moench. leaves and other relevant components was investigated.
偷猎和森林火灾是导致种群数量减少的两个重要原因，据杨叶青说，贵州梵净山国家级自然保护区，是猴子数量最多的一个区域。
Poaching and forest fires are two of the main causes for the decrease in population, according to Yang Yeqin, director of Guizhou's Fanjingshan National Nature Reserve, where most of the monkeys live.
加利福尼亚棕榈泉附近的白水大峡谷自然保护区里面，一头年幼的黑熊被游人吓到后从一颗三角叶杨后面窥视。
A black bear cub peers from a Cottonwood tree after being scared up there by a visitor to the Whitewater Canyon nature preserve near Palm Springs, California.
没人会记得它们埋葬在这里，尽管三角叶杨、柳树和棕榈树的根茎或许偶尔会发现它们的存在。
No memorial will mark their burial, though the roots of cottonwoods, willows, and palms may occasionally make note of their presence.
在小溪河床附近，有时能呈现三角叶杨。
Close to streambeds, cottonwoods can at whiles be searched. Though.
新疆杨一年生枝、多年生枝、心材和边材的离子分布年内动态相似，叶和根有各自独特的特点。
The dynamic regularity was similar in one year branches, many year branches, heartwood and sapwood, leaves and roots had their own characters.
在生态学世界中，几株瘦骨嶙峋的三角叶杨通常没什么好令人兴奋的。
Several scrawny cottonwood trees do not usually generate much excitement in the world of ecology.
对引进的59个欧洲黑杨无性系苗木感染黑斑病和叶枯病进行了调查，应用统计分析的方法对这些无性系抗病性进行了分析。
Disease resistance of the seedlings of 59 introduced Populus nigra clones seedlings infected with Marssonina brunnea and Alternaria tenuis were investigated by applying statistical analysis.
我是说，看看叶杨在2009年美国PG A锦标赛击败老虎。
I mean, look at Y. E. Yang beating Tiger at the 2009 PGA Championship.
孙杨夺得金牌20分钟后，16岁的叶诗文在女子400米混合泳中取得胜利，同时打破了四年前北京奥运会创下的世界纪录。
Twenty minutes after Yang won China's maiden gold medal, 16-year-old ye Shiwen triumphed in the women's 400m medley, as well as breaking the world record set in Beijing four years ago.
我心中的小溪蜿蜒流淌在祖父的花园和邻居山腰的草地之间，三角叶杨和红杉将两岸遮得严严实实，密不透风。
My creek wound between Grandfather's garden and a neighbor's hillside pasture. Its banks were shaded by cottonwood3 and redwood trees.
在这个傍晚，在此时此刻，它分外美丽，西边山坡上的阴影正在拉长，“三角叶杨的叶子已经变黄；
It is especially beautiful now, on this afternoon, with the shadows growing long down the western slopes, and the "leaves yellow on the cottonwoods;"
在这个傍晚，在此时此刻，它分外美丽，西边山坡上的阴影正在拉长，“三角叶杨的叶子已经变黄；
It is especially beautiful now, on this afternoon, with the shadows growing long down the western slopes, and the "leaves yellow on the cottonwoods;"
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