Discuss on the increment of tree-length bucking of Dahurian Larix

OBJECTIVE To analyze the categories of Dahurian Lily and the lipophilic components in its water extract.

目的分析卷丹及其水提液中亲脂性成分。

The study of Dahurian Larch seed orchard on its flowering season freezing damage and its protection

兴安落叶松种子园花期防冻措施的研究蜡梅科植物的开花与传粉

Studies on Physical and Chemical Properties of Lignosulfonate from Dahurian Larch Bark Residue after Extraction

落叶松栲胶废渣木质素磺酸盐理化性能的研究

Study on dahurian larch of white wood

白材兴安落叶松的研究

Study on drying methods of Dahurian Larch boards

兴安落叶松材干燥方法的研究

Tension Performance of Dahurian Larch Lumber Joints Connected by Truss Plates

兴安落叶松规格材齿板连接节点的拉伸性能

Study on the law with solar energy in: different community structures of artificial forest of Dahurian Larch

落叶松人工林不同群落结构光能利用规律的研究

Mechanism and Physiological Effects of Fertilization on Dahurian Larch Seedlings

兴安落叶松播种苗施肥生理效应及机理

Study on the Catastrophe Threshold of Dahurian Larch Forest Fire

兴安落叶松林火灾变阈值的研究

A study on biomass and production of three types of Dahurian Larch virgin forest

兴安落叶松原始林三种林型生物产量的研究

Study on diameter distribution and models predicting yields for natural Dahurian Larch stands

兴安落叶松天然林直径分布及产量预测模型的研究

A study on provenance test of Dahurian Larch in China

中国兴安落叶松种源试验的研究（Ⅰ）&地理变异规律和模式

A study on the growth and yield of natural Dahurian Larch stands

兴安落叶松天然林生长与收获的研究

Seed Biological Properties of Two Types of Dahurian Larch with Different Wood Color

两种材色兴安落叶松种子生物学特性的比较

The study on the chemical structure characteristics of Dahurian larch lignin

兴安落叶松木素化学结构特性的研究

Study on natural Dahurian Larch stand growth model and variable density yield table

兴安落叶松天然林林分生长模型和可变密度收获表的研究

The present leaders have to decide whether to stand down and hand over to a younger generation

现任领导层必须决定是否应退居二线，把重任移交给更为年轻的一代。

She had to decide whether or not to cable the news to Louis.

她得决定要不要将这个消息电告路易斯。

Before providing the cash, they will have to decide whether you are a good or bad risk

在提供资金之前，他们得确认你是不是信誉良好的贷款对象。

Come the election on the 20th of May, we will have to decide

到5月20日选举的那一天，我们必须作出决定。