• 孢粉表明温带气候地区温暖凉爽,表明落叶林和阔叶林的分布广泛。

    Sporopollen implies warm-cool and moist climate of temperate zone, suggesting wide distribution of deciduous and latifoliate forests.

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  • 在我们的门边,带着灰点的绿色阔叶丛在铺路材料间重重叠叠长了起来。

    By our door, broad furry green leaves polka-dotted with grey pressed up between the pavers.

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  • 东北地区的大兴安岭、小兴安岭和长白山区,是中国最大的天然林区,到处是望不到边的红松、落叶松、黄花松等针叶林和白桦、柞树、水曲柳、杨树、榆树等阔叶林。

    The Greater Hinggan, the Lesser Hinggan and the Changbai mountain ranges in the northeast are China's largest natural forest areas.

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  • 它们显然更偏向于树底下有着稠密的灌木丛的阔叶树森林。

    They clearly prefer hardwood forests with dense shrubs, bushes underneath the trees.

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  • 冷杉林(暗针叶林)、热带雨林和常绿阔叶林是寒温带、热带和亚热带的气候顶极群落。

    Dark taiga, tropical rain forest and evergreen broad-leaved forest are climax of area of cold temperate, tropic and subtropics.

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  • 通过对进口阔叶木材取样与切片观测,对22种进口阔叶材的木材构造与识别特征进行了具体描述。

    It has specifically described 22 kinds of import broad-leaved timber structure and identification characteristic through sampling and cut-section observation of import broad-leaved timber.

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  • 对南亚热带森林群落恢复标准化示范区23个阔叶树种的早期生长进行了调查与分析。

    The early growth of 23 broad-leaved tree species from the south subtropical forest community restoration standardization demonstration area were investigated and analyzed.

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  • 中国南部的天然常绿阔叶林中,不同的初始条件下研究了栲树叶的重量损失和养分释放。

    Weight losses and nutrient releases of Castanopsis fargesii leaves in different initial conditions were examined in a natural evergreen broad-leaved forest in southern China.

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  • 由麻栎立木结构表明该群落处于旺盛生长期;在演替过程中能够保持落叶阔叶林的稳定结构。

    The stock structure showed that the community was in vigorous growing stage, and the community could still remain stable deciduous broad-leaved forest in the future succession.

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  • 在中国植被分区上,山西恒山是温带草原地带与暖温带落叶阔叶林地带的交错区。

    Heng Mts., Shanxi is located in the ecotone of temperate grassland zone and warm-temperate deciduous broad-leaved forest zone according to China Vegetation Regionalization.

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  • 对固定样地调查,采用伐桩的径、高度、萌芽的数量、萌芽的生长情况等指标,分析东北东部林区主要阔叶树种的伐桩萌芽更新规律。

    The law of stump sprouting of broad-leaved tree species was studied in eastern forest area in Northeast China by the investigation of fixed sampling.

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  • 本文研究了黑石顶自然保护区南亚热带常绿阔叶林的生物量增量及其分配规律,净第一性生产量及其分配规律。

    Biomass increment, net primary production, and their allocation of the lower subtropical evergreen broad-leaved forest in Heishiding natural reserve were studied.

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  • 植被基带群落中,在物种数量、区系成分和重要值方面,常绿和落叶阔叶树种所占的比例都相差无几。

    Evergreen and deciduous broad-leaved tree species were almost equivalent in quantity and importance values in the basal vegetation zone.

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  • 南京地区地处亚热带北缘,是一些常绿阔叶树种自然分布的北界。

    Nanjing area is the northern boundary of northern subtropical zone where some evergreen broad-leaved species are distributed in.

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  • 在中国植被分区上,山西恒山是温带草原地带与暖温带落叶阔叶林地带的交错区。

    Hengshan Mts, Shanxi, is located in the ecotone between temperate grassland zone and warm-temperate deciduous broad-leaved forest zone according to the result of China vegetation regionalization.

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  • 可以认为南京地区是耐寒常绿阔叶树种引种分布的关键地区。

    It can be considered that Nanjing is the key area of introduction and distribution of cold-resistant evergreen broad-leaved species.

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  • 阔叶林分通过株数递减和蓄积量递增而演变,这种演变过程和转移概率的特征是一致的。

    The succession of broad-leaved forest by decreasing tree number and increasing storage was in accordance with the characteristics of transfer probability.

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  • 选取南京地区已引种成功的6种常绿阔叶树种,运用越冬适应性观察与电导法作为对比测试手段,分析这些树种的抗寒能力。

    Wintering adaptability and electric conductivity were used to analyze the ability of 6 evergreen broad-leaved species to withstand the rigors of low temperature.

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  • 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。

    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.

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  • 为提高树种的鉴定效率,本研究基于贵州省主要阔叶树种资料建立了贵州主要阔叶树种自动检索系统。

    To improve the identification efficiency, the auto index system of the main broad-leaved trees in Guizhou province was established, which based on the data of the trees.

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  • 阔叶林在涵养水源、保持水土、调节气候、改善环境等方面具有十分重要的、不可替代的作用。

    Broad-leaved forest has important and no-substitutive functions in water conservation, conserving soil and water, regulating the climate and improving the environment.

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  • 我们应该推广“垂直绿化”技术,也就是说,在建筑密集的地方种植更多的绿色阔叶植物,如波士顿常春藤。

    We should popularize "vertical greenery" technique, that is, to plant more green-leaved plants like Boston ivy in densely-located buildings.

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  • 常绿阔叶杂交杜鹃具有较高的观赏价值和园林利用价值,因而建立组培快繁体系具有重要意义。

    It is of significance to establish in vitro culture system for broadleaf evergreen rhododendron hybrids since its high appreciation and landscape value.

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  • 结果表明,天然红松阔叶林空间分布格局调查的最小样本量为49。

    It showed that the minimum sample for spot checking tree spatial distribution patterns of natural Korean pine broad leaved forest should be 49.

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  • 在田间条件下,用苯磺隆加增效剂对麦田阔叶杂草的除草效果进行了试验。

    Field experiments in wheat were conducted to determine broadleaf weed control efficacy of tribenuron plus synergist.

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  • 就纤维素酶处理对漂白阔叶木浆打浆性能的影响进行了研究。

    The impact of beatability of bleached hardwood pulp by cellulase enzyme beating was studied in this article.

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  • 结果表明,落叶松人工林的林冠截留率最大,表现出比天然白桦林、天然黑桦林和天然阔叶混交林具有较强的蓄水和拦截功能。

    Compared with natural secondary forests of birch, Dahurian birch, and broadleaf tree mixed one, larch plantation showed higher sluice function due to its higher canopy interception percentage.

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  • 结果表明,落叶松人工林的林冠截留率最大,表现出比天然白桦林、天然黑桦林和天然阔叶混交林具有较强的蓄水和拦截功能。

    Compared with natural secondary forests of birch, Dahurian birch, and broadleaf tree mixed one, larch plantation showed higher sluice function due to its higher canopy interception percentage.

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