查询词典 poplar

Based on the established database for poplar and birch, the developed color measurement-matching system is used to carry out imitation of precious wood species such as Dalbergia fusca Pierre, Dalbergin bariensis Pierre and Juglans.

利用建立的杨木和桦木基础数据库，进行黑酸枝、红酸枝和黑胡桃等珍贵树材仿真，分别修正0~2次后即能达到要求，所模仿的珍贵木材材色与天然木材材色相近，着色均匀，色差小。

Our country's deserts mainly lie in arid and semiarid areas, mostly with scarce precipitation and lack of water resource, neither natural vegetation with relatively strong drought-resistance capability nor plantation, like diversifolious poplar, dryland willow, shrubby sand willow, saxoul and Hedysarum mongolicum Turcz,etc., can be protected effectively, this leads to desertification area expansion and frequent sand storm, which seriously affect people's work and life.

我国沙漠多处于干旱和半干旱地区，绝大部分地区降水稀少，水资源缺乏，无论是具有较强抗旱能力的天然植被，还是人造林如胡杨、旱柳，灌木类沙柳、梭梭、杨柴等都得不到有效保护，导致沙化面积扩大，沙尘暴发生频繁，给人民群众的生产生活带来严重影响。

Poplar: I can value him particularly is to a thing persistence is mixed have deep love for, even if this thing is not of need of fabaceous valve place.

杨：我会特别看重他对一件事情是不是执着和热爱，哪怕这件事不是豆瓣所需要的。

With the atomic number increased, it showed the "N" figure for the concentration of heavy metals in the roots, stem and leaf of poplar and juniperus.

植物的根部和茎叶中重金属的含量均表现出&N&字形变动趋势。

The development of "the Belief of Zheng Cheng Gong" in Taiwan society has surpassed the emotions of kindredness, has combined regional consciousness and ethnocentrism; it has become to one of the poplar beliefs in the emigrant society of Taiwan.

&郑成功信仰&在台湾汉人社会中的发展，超越了乡土的情感和地域的观念，统合宗族性、地线性、民族性等，而成为台湾此一移民社会的共同信仰，并因地区而异，尚且发展出相关之祭祀圈或信仰圈。

But, poplar is damaged by fungal diaeases all the time, such as Melampsora spp., Botryosphaeria ribis, and so on, which lead to huge loss for the country economy every year. For ecology, the unremedi-ed loss is much bigger.

但一直以来，杨树受到真菌病害如杨叶锈病、溃疡病等的威胁，每年给国民经济造成巨大的经济损失，而给生态环境造成的巨大破坏更是无法弥补的。

The changes of four indexes indicated that the photosynthesis and transpiration of poplar cultivars were influenced by the infection of Melampsora larici-papulina Kleb.

这4个基本生理指标变化说明，栅锈菌侵染寄主后对寄主的光合、蒸腾作用均有影响，而且在亲合性组合中影响显著。

The paper is to research physiological differentiation and DNA polymorphism of MLP. The main result is as follows: 1.Investigating the Poplar Resistance: the difference of sensitivity is prominent.Other poplars are infected by Melampsora larici-populina in different degree, except that Populus deltoids and Populus deltoides×P.

本论文主要是对来自西北，华北，东北和西南等省的多种落叶松—杨栅锈菌进行同工酶分析以及DNA多态性研究，得出如下结论：(1)寄主抗病性调查：杨树各派树种对落叶松杨栅锈菌的感病性差异明显，除美洲黑杨和中绥12号外，所有的杨树品种都不同程度地感染了落叶松杨栅锈菌。

This result shows that BPBB attracts a wide range of insects, and the most of catches are important agricultural pests, Noctuidae. So the results provide a theory basis to develop and use black poplar.

这一结果显示黑杨枝把具有广泛的诱虫谱，且所诱到的昆虫以农业主要害虫夜蛾科为主，因此该结果为进一步开发和利用黑杨资源提供了理论依据。

The spectrum of insects caught by black poplar branch bundles: In Xiangcheng, Yiyang and Fugou county, Henan Province, the insects caught by BPBB belong to 6 orders, 11 families, 25 species, among which 20 species, 80% of the total, are phytophagous. Among the total number, the phytophagous are 4117, the Noctuidae 3694, making up 95. 1% and 85. 3% respectively.

黑杨枝把的诱虫范围在河南襄城、宜阳、扶沟3县试验点，黑杨枝把共诱到6目11科25种昆虫，其中植食性昆虫20种，占总种数的80％，占总诱虫量的95.1％，夜蛾科昆虫占总诱虫量的85.3％。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。