查询词典 Larix

Larch {Larix gmelinii is an important sylvicultural species in northeast China.

落叶松是我国东北地区的重要造林树种。

Based on this model the optimum first planting density of Larix kaempferiLamb.

利用模型提出了以生产纸浆材、小径材为目的的豫西日本落叶松人工林的最适初植密度是 2 0 0 0～ 2 5 0 0株·hm-2 ，以生产中径材为目的是 110 0～ 15 0 0株·hm-2 。

Effect of "Old-man forest" of Larix gmelinii on forest landscape change in Daxinganling Mountain

结果表明，在呼中林业局，在没有人为干扰情况下，火干扰是森林景观变化的主导因素。

In a word the fire of low-medium severity with certain interval will be beneficial to the Larix gmelinii community.

总之。一定间隔期的中轻度火干扰有益于兴安落叶松群落。

This paper analyzes several key factors of the impact on the survival rate of the Larix principis-rupprechtii,and considers that the strong sprout seeds and planting seriously is a key factor of increasing the survival rate.

成活率是检验造林成败的一个关键技术指标，对影响华北落叶松成活率的几大关键因素进行了分析，认为良种壮苗和认真栽植是提高造林成活率的关键因素。

Using seven plots of natural Larix 'gmelinii stands, structures of age class of stand are analysed in this paper.

本文利用天然兴安落叶松林分7块标准地资料，对林分年龄结构进行了分析。

There is preliminary success and offer the elementary conditions for further study of genetic diversity of Larix chinensis. Whatever in the fresh or dry samples, there are no protein and other secondary metabolites.

结果表明，改良后的CTAB法，对于太白红杉总DNA的提取是一种良好的简单易行的方法，无论是烘干后的材料还是新鲜材料提取的总DNA中基本没有蛋白质及酚类污染。

Through twenty years study and practice,A program of geneticimprovement of Larix olgensis is put forward,including some detailed suggustionsand plans for future improvement policies of this species.

历经近20年长白落叶松的改良实践，提出了长白落叶松遗传改良的程序及途径，并对今后的改良策略提出了详细的规划及建议。

The results showed that differential gene expression occurred between cold acclimtion and nonacclimtion of Larix principis-rupprechtii.

通过分子生物学和基因工程技术，研究和利用生物活性高的抗冻蛋白[1]，筛选抗冻蛋白基因是解决这一

Investigations on the wild economic plant resources of Larix olgensis forest.

标题 长白落叶松林的野生经济植物资源调查。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。