seed forest的例句大全

The study on the relation between thinning intensity and seed production of the natural Scotch pine seed forest

樟子松天然母树林疏伐强度与种子产量的关系

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The plant selected thinning with the intensity at 20%~ 30% was conducted in the Chinese fir seed orchard grew for 12 years in Qingyuan Forest Farm of Zhejiang.

对浙江庆元林场12年生的杉木1代种子园进行强度为20%～30%的选择性疏伐。

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Characters of seed plants flora and vegetations from Yixing Forest Nature Reserve in Jiangsu Province

江苏宜兴森林自然保护区种子植物区系特点及植被性质

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Because of the rampant outbreaks serious harmfulness of seed insects, the quantity and quality of picea crassifolia seed have reduced largely, which badly influences the ecological ruction of forest.

青海云杉由于种实害虫的猖獗发生和严重危害，致使种子的产量和质量大幅度下降，严重影响着林业生态建设。

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And on the morning of the vernal equinox, before the rest of the forest had begun to wake, that last seed ripened and burst in an instant.

在春分的早晨，当其它种子还没有苏醒时，最后那颗种子在一瞬间成熟然后爆裂了。

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A leaf of the embryo of a seed plant, which, upon germination either remains in the seed or emerges, enlarges, and becomes green. INSECT HERBIVORY PATTERNS ON LEAVES OF CASTANOPSIS FARGESII DURING LEAF EXPANSION IN EVERGREEN BROAD-LEAVED FOREST IN EASTERN CHINA

子叶种子植物胚的叶片，在萌芽过程中，它或者保持在种子里或者出来，变大并变绿常绿阔叶林中栲树展叶期叶片的虫食格局

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This study was conducted from 1982 to 1987 in the seed and seedling laboratory of Northeast Forestry University and Harbin Experimental Forest Farm.

1982年&1987年在东北林业大学种苗实验室、哈尔滨实验林场进行试验。

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Injuring models of silver chain, Chinese pine and arborvitae and seed losing models of aero-afforestation in 30 d were constructed. The ecological threshold model for managing rodent community in artificial forest ecosystem was established by coupling the local and state permeable maximum losing indices.

采用系统分析法，组建了刺槐、油松、侧柏被害模型和飞播造林30d种子损失模型，并以国家及地方标准的最大允许损失指标偶联求得林区啮齿动物群落管理中的生态阈值模型。

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the seed emergence of castanopsis hystrix affected by forest gap and undergrowth environment

林窗和林下环境对红栲种子出苗的影响研究

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a study on the industrialization of forest seedling science and technology in jiangsu; study on the large-scale seed breeding of solen grandis

江苏林木种苗科技产业化发展与对策大竹蛏规模化人工苗种培育技术研究

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soil seed pool and its application to forest regeneration in degraded forestland

土壤种子库及其在退化林地植被恢复中的应用

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a study on the flora of the seed plants of tropical rain forest of ruili, sw yunnan

瑞丽莫里热带雨林种子植物区系的初步研究

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When the fire had at last been put out, the forest authorities ordered several tons of special type of grass-seed which would grow quickly.

在火终于被扑灭的时候, 森林管理局订购了好几吨特殊速生草籽.

《用法词典》

This paper proposes a new seed encoding scheme for CUT with scan forest architecture.

该文针对采用扫描森林结构的待测电路提出了一种新的种子编码方案.

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Only a few forest tree species can develop viable seed from unpollinated ovules.

只有少数林木可以从未授粉的胚珠发育成有活力的种子.

词典精选例句

A discussion on the seed viability test of forest tree by means of soft X ray method

应用软X射线对林木种子生活力检验的探讨

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The phenology of 312 seed plants of the warm temperate deciduous broad-leaved forest and conifer forest in Confucius Cemetery, Qufu have been observed half-monthly for 13 months.

对孔林暖温带落叶阔叶林和针叶林中312种种子植物的开花、结果的物候情况进行了研究，每半月调查1次，持续观察13个月。

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