poplar的例句大全

Brought up in town, the boy finds it difficult to separate a poplar from a willow.

那男孩是在城里长大的, 所以觉得很难区别杨树和柳树.

Poplar on the beetles, you know, there are two kind of antennae.

杨树上的天牛, 大家知道吧, 有两个触角的那种.

After a while, we found a shady place under some poplar trees.

过一会儿, 我们在几棵白杨树下找到一块荫凉地.

Cryptorrhynchus lapathi is an important trunk borer of poplar and nationwide object of forest plants quarantine.

杨干象是杨树重要的蛀干害虫,为全国性森林植物检疫对象.

There's a bench under a poplar tree.

白杨树下有一条长凳.

Formal agreements for cooperation were signed and new relationships were cemented for future collaboration with key poplar and willow researchers, growers and users in Italy.

双方还正式签署了合作协议，进一步巩固了中方与意大利主要杨树和柳树研究人员、种植者、消费者的长远合作关系。

Poplar and willow forests in Yugoslavia have an area of150000ha, be-ing1.5% of the national total, but the timber output is8% of the gross national pro-duction.

南斯拉夫共有杨柳树林地15万公顷，仅占森林面积的1.5%，但其木材产量却占全国木材总产量的8%。

Research of the seedling salt-tolerance of new poplar and willow clones on the seashore marsh

海滨湿地杨树、柳树新无性系苗期耐盐性研究

Achievements and Experiences in Poplar and Willow Breeding in Yugoslavia

南斯拉夫杨柳树育种的成就和经验

The position of poplar and willow in landscape ecosystem of Changchun City, China

杨柳树在长春市街路广场园林生态系统中的地位研究

Experimental results indicated that for the introduced fast-growing poplar and willow the cutting cultivating and the seedling planting of all clones had no significant difference in survival rate.

对优良林草品种的选择和林草复合经营技术试验结果表明：引进的速生杨、速生柳各无性系间的扦插繁育和植苗造林成活率均不存在显著性差异；

Poplar is one of the widely cultivated species in China.

杨树是我国广泛栽培的重要树种之一。

Cutting Technique of Poplar and Willow in Low-lying Land

低洼地杨柳扦插育苗技术

Cloning and Sequencing a cDNA of Cystatins from Poplar Landrace in Hebei

河北毛白杨巯基蛋白酶抑制剂基因cDNA的克隆及序列分析

A poplar pierced up into the dark-blue sky and touched a white star there.

一棵白杨树刺破暗兰色的天空,碰到一颗白星.

The Superior Poplar Clones Selection Test for Oriented Cultivation in Hubei Province Study on Techniques of Directive Breeding for Bamboo Shoots Forest

湖北省杨树人工林定向培育无性系选择研究集约经营笋用毛竹林定向培育技术探讨

In Beijing, for example, the most common allergenic pollens in spring include those from the large-fruited elm tree, Cathay poplar, ash, acacia and white birch.

以北京为例，春季最常见的致敏花粉包括榆树、杨树、白蜡、合欢树和白桦的花粉。

At present, Chinese poplar cultivation area is the largest in the world.

目前，我国的杨树人工林栽培面积已居世界首位。

They will spring up like grass in a meadow , like poplar trees by flowing streams.

他们要发生在草中 、 像溪水旁的柳树.

Test on Planting Density and Rotation Time and Analysis on Combustion Characteristics of Poplar and Willow Energy Plantation

杨柳能源林种植密度和轮伐期试验及其燃烧特性分析