查询词典 shrub willow

After using the forestation method of spray sowing and inserting dry seedlings, the area of fouryearnaturalregeneration poplar and willow has taken up 5 percent of controlled area, with the area of artificialspraysowing poplar and willow taking up ten percent and the area of artificialspraysowing shrub and herbage ta...

采用喷播和深松插干造林方法，4年天然更新的杨树和柳树占治理面积的5%左右，人工栽培的杨树和柳树占10%，人工喷播的灌木、牧草占10%。在沙丘上部植被覆盖度由10%～15%增加到40%～50%，丘间低地和风蚀洼平地由50%～60%增加到75%～85%。流动沙丘初步恢复为疏林草地型固定与半固定沙丘。

Mainly reed and willow shrub vegetation, the surrounding area is a dwarf shrub.

主要植被芦苇和柳树灌木，周围地区是矮灌丛。

With a swipe of his paw, a male polar bear brings down a branch and a load of snow from a willow shrub.

一头公北极熊熊掌一挥，把一根柳树枝扳了下来，也扫下了树丛上的雪。

With equidistance sampling, the research takes 13 soil samples in 0-20cm of each site from the middle of a chosen typical shrub named plateau red willow every other two meters, in Hongyuan county of Sichuan province, and analyzes the character of these soil samples.

以川西北高原红原县为研究区，用等距离取样法，在高寒沙化地中选择一典型的灌丛高原红柳，从灌丛根部开始每隔2米向外选点取0-20 cm土样13个，并分析了这些土样的土壤性状。

For slender branch sweet vetch which is up to 40.6% only, and analysis of variance proves that sand willow shrub forest reducing close stratum effect of wind speed has obvious advantages fully too. The seventh, there are many aspects of ecological benefit of city forest in arid and semi-arid areas.

第六、根据多目标灰色关联度评价结果，适应干旱半干旱风沙区城镇庭院绿化的针叶乔木树种为：云杉、落叶松和樟子松，其关联度评价值分别达到0.7720、0.7718和0.7622；落叶阔叶乔木树种为：山桃、垂柳、垂榆，其关联度评价值分别达到0.9554、0.8631和0.8362；花灌木树种为：玫瑰、沙地柏和黄刺玫，其关联度评价值分别达到0.7916、0.7730和0.7492。

Suiting for disposing in factory and suburb outer edge belts in terms of protection against wind and preventing sand from drifting, the tree is populous, and the bashes are sand willow and slender branch sweet vetch Among them, sand willow shrub forest in the nearly stratum 10cm layer, can decrease wind speed by 60.3%.

上述野 外试验和盆栽试验都证明上、下覆膜和美国干水处理保墒效果较好、性能稳定，可以在干旱半干旱地区城市森林植被建植过程中大面积推广应用。

Growth and photosynthetic indices (seedling height, shoot biomass, root biomass, root length, chlorophyll content, net photosynthetic rate, and stomatal conductance) from 1-year-old seedlings of six shrub willow clones (JW22-2, JW51-3, JW1065, JW2334, JW2345, JW2372) with different salt stresses were studied.

以江苏省林业科学研究院新近杂交培育的6个灌木柳无性系1年生扦插苗为试材，采用水培试验方法，研究了0~3gL^(-1)范围内不同质量浓度氯化钠胁迫对灌木柳无性系幼苗生长及光合作用的影响。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。