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An algorithm for branch bending based on dual-scale automaton model is developed. The algorithm needs only a few parameters, but can generate natural and realistic branch bending curve.

该算法虽然所需参数少,但能有效地生成自然逼真的枝条弯曲形状,并且能反映植物在生长中枝条的动态弯曲过程。

With comparison and cluster analysis methods,the relationship between mineral salt contents of host trees and Kerria lacca was studied.

结果表明,不同寄主植物之间和是否被紫胶蚧寄生的枝条之间,无机盐含量存在差异,14种枝条的无机盐含量分成4组。

To study the interaction between Eriosoma lanigerum and apple trees, olfactory response of the aphid to different kinds of apple branches was tested by Y-olfactometer and volatiles from the branches were extracted with HS and measured with GC-MS. The result showed that E.

为探讨苹果绵蚜与苹果树的互作关系,用Y形嗅觉仪测试该虫对不同苹果品种枝条的嗅觉反应,顶空萃取枝条挥发物,并进行GC-MS分析。

English translation of the branches, twigs how to say in English - n cool word Chinese-English Dictionary

枝条的英文翻译,枝条用英语怎么说- n词酷汉英词典

English translation of the branches, twigs English how to say - n cool word Chinese-English Dictionary

枝条的英文翻译,枝条用英语怎么说- n词酷汉英词典

The main cause of chilling injury in the annual branches was the losing of water at critical period; the reasons of anatomical structure was the thick epidermis, the loose arranging of parenchyma in cortex, and the undeveloped parenchyma in best.

造成1年生枝条冻害的主要原因是生长与休眠临界期枝条的大量失水;其形态解剖学原因是表皮菊,皮层薄壁细胞排列疏松和韧皮薄壁细胞不发达。

On the basis of the demand of wolfberry pruning and breeding, the wattle firmness of 26 wolfberry germ plasms were investigated and classified by adopting the methods of weight hanging in different positions of branches.

基于枸杞修剪和育种工作的需要,本文采用枝条不同部位挂重的方法对26份枸杞种质材料枝条的硬度进行调查和分类。

The relation between nutritional needs of Ericerus pela and nutritional components of host plants are studied.

白蜡虫寄生的女贞枝条中有15种氨基酸含量低于不放养白蜡虫的对照枝条,只有谷氨酸、组氨酸和色氨酸3种氨基酸含量高于对照枝条,白蜡虫寄生使女贞枝条的氨基酸总量降低了28。

There are 15 amino acids of privet branches hosted by Ericerus pela lower than that comparative branches and total amino acids of privet branches decreased by 28.17% due to host of Ericerus pela. The results also showed that the growth of the female Ericerus pela needed K,Ca,Mn and Wax secretion of the male Ericerus pela needed K,Na,Ca,Mg,Fe,and Mn.

白蜡虫寄生的女贞枝条中有15种氨基酸含量低于不放养白蜡虫的对照枝条,只有谷氨酸、组氨酸和色氨酸3种氨基酸含量高于对照枝条,白蜡虫寄生使女贞枝条的氨基酸总量降低了28.17%。K、Ca、Mn 3种元素和K、Na、Ca、Mg、Fe、Mn等元素分别是白蜡虫雌虫生长发育和雄虫泌蜡所必须。

Dead branches or knots in different sizes of tree was studied and different branch development phases of growth,suppression,death and self-pruning was analyzed to evaluate the effect that knot size and distribution impact on timber quality.Branch and knot dynamic models were developed using stand and tree variables.Based on multipleunit stepwise regression method, the individual tree growth model was established using forest and crown factors as the variable. The best taper equation model of Larix olgensis was bucking data of 130 sample trees selected in the studied area.

本研究以不同年龄、不同密度及不同立地条件的落叶松人工林作为研究对象,基于19块标准地中95株标准木的树干解析、枝解析及节子剖析数据,揭示了不同林分条件下林木的枝条数量及在树冠内的空间分布格局、生长发育规律;研究了不同大小树木的死枝和节子大小及其变化规律,分析了枝条的生长、被压、寿命和自然整枝过程,评价了节子大小和分布对木材质量的影响;以林分变量、林木变量和着枝深度等为自变量建立枝条生长和节子大小的动态预测模型;选择林分因子和林木的树冠因子作为竞争因子,用多元逐步回归的方法建立落叶松人工林与距离无关的单木生长模型,并根据研究地区选取的130株造材样木数据,建立了落叶松人工林最佳削度方程。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。