poplar的例句大全

Statistical analysis on date of 55 Populus cathayana plots situated on the boundary between Gansu and Qinghai showed that factors affecting growth of the poplar were topography, soil, aspect, slope steepness, precipitation, elevation in proper oder.

通过对甘青交界区55个样地的青杨样木资料的统计、分析后确认：各立地因子对青杨生长的影响程度依次为地形、土壤、坡向、坡度、降水量、海拔；

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The results would provide primary data for nutrient management and productivity maintenance of poplar plantation.

研究结果可为杨树人工林的营养管理和地力维护提供依据。

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And the result of standard substance ( poplar leaves) is within the limits of reference.

同时测定的杨树叶标准物质中铅和汞的含量在标准参考值范围内。

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Contrastive Test on Introducing Variety of Seedling Stage of Speediness Poplar New Breads

速生杨新品种苗期引种对比试验

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A study on coppice with poplar clone ⅱ-69 for pulp-producing forest

Ⅰ－69杨纸浆用材林萌芽更新的研究

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Several coppice plantations have been seeded with poplar, willow, and alder.

好几个灌木林场都种上了白杨、柳树和赤杨。

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The growth data of the poplar, larch, black locust, and jack pine are employed to demonstrate the flexibility of Richards equation.

该文简述了Richards生长方程的可塑性，以毛白杨、华北落叶松、刺槐与斑克松的生长资料，讨论了描述林木生长过程的适用性。

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Study on the Economic Benefit of Lesser Black Poplar Pulp Plantation

小黑杨纸浆林经济效益的研究

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Test for performance of poplar residue plywood sheathing in light wood frame construction under concentrated loads

轻型木结构用意杨结构胶合板集中静载性能试验研究

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After crossing Owl Creek, on the road to Poplar Cove, there are three large trees. At the bottom of the fence, opposite the third tree, will be a small box.

在通往杨树湾的大路上，过了猫头鹰小溪后，路的右边沿麦田篱笆有三棵相距一百码左右的大树，第三棵树的对面篱笆桩底下放着一个小纸盒。

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Liaoning poplar, Gai poplar, liaohe poplar;

辽宁杨、盖杨、辽河杨；

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Analysis of nutritional composition of Chinese White Poplar male anthotaxy

毛白杨雄花序营养成分分析及评价

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the dominant factors caused by poplar ina bacterial canker

杨树冰核细菌溃疡病发病的主导因素

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On the biological control of important diseases of Poplar

杨树重要病害生物防治探讨

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Study on Regeneration Age of Farm poplar Shelter Belt in Huanghe Flooding Plain

黄泛平原农田林网杨树更新年龄的研究

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Analysis of Pollution Characteristics and Organic Material in Poplar P-RC APMP Wastewater

杨木P-RC APMP废水污染特征及污染物分析

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The Ultrastructural Changes of Poplar Leaf Cells after Black Spot Pathogen Infection

黑斑病菌侵染后杨树叶片细胞超微结构的变化

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On Infectious Degree of 25 Species of Poplar by Valsa sordida Nits

25种杨树感发烂皮病程度的研究

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Study on Embryogenic Suspension Culture and Protoplast Fusion of Poplar

杨树胚性悬浮细胞系建立与原生质体融合研究

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The effect of tetramethyl ammonium chloride on RAPD amplification in poplar

四甲基氯化铵在杨树RAPD扩增反应中的作用

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