seasonal variation

The population dynamics and structure of this species, including the horizontal and venial distributions, seasonal variation and size distribution, were studied by panel test and positional sampling.

通过挂放试板和定点取样，研究其种群动态和结构，包括水平分布、垂直分布和季节分布，以及壳长的组成。

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Seasonal Variation of Bioavailable Phosphorus in Sediments in Northeast Part of Taihu Lake

太湖东北部沉积物生物可利用磷的季节性变化

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The seasonal variation of the two breeds was different.

波德代羊射精量在11月份最高，5月份最低。两品种射精量季节变化不同。守常中的变异&解读沈从文的《边城》与《长河》

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The carrageenans derived from tetrasporic plants showed the marked seasonal variation in viscosity, which appeared to be high in autumn and winter.

四分孢子体卡拉胶的粘度在秋、冬季较高，雌配子体的粘度无季节变化。

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CO_2 emission of Soil-rice ecosystem and soil respiration of soil-maize ecosystem had obviously seasonal variation, They were affected by environmental factor and factitious factor.

大春作物生态系统CO2排放具有明显的季节变化，变化规律主要受温度、土壤湿度、植株生长、施肥方式、水分管理等因素影响；

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Using FGGE ⅲ b data in 1979, the seasonal variation of global atmospheric circulation in stratosphere and their relationship during January to July has been studied in the paper.

本文利用1979年的FGGEⅢb资料研究了1&7月平流层大气环流的季节变化以及变化期间南北半球、东西半球的不同演变特征。

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Fall-color trees are important ornamental elements in the exhibition of seasonal variation.

秋色叶树种是表现秋季景观的重要造景材料.

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The surface heating is characterized with the apparent seasonal variation and the land-sea difference.

表面加热存在明显的季节变化和海陆差异.

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In the Southern Hemisphere it is dominant only in the subtropical belt, while in the temperate belt the un-seasonal variation is more evident.

而南半球仅副热带季节性变化明显，西风带则是非季节性变化占优势。

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Preliminary Study on Seasonal Variation and Water Budget in Slope Farmland of Purple Soil

紫色土坡耕地水量季节变异特征与平衡初步研究

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regional/seasonal variation (= depending on the region or time of year)

地区性 / 季节性变化

《牛津高阶英汉双解词典》

By polymerase chain reaction ( PCR), the seasonal variation of the phytoplasmal amounts in mulberry tree was determined.

通过聚合酶链式反应（PCR）检测了植原体在桑树体内的分布及其相对含量的周年变化。

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Seasonal variation showed that the proportions of particulate heavy metals in river flow were significantly higher in the wet season than that in the dry season.

河水中重金属的赋存形态存在季节差别，丰水期悬浮颗粒态重金属所占比例明显高于枯水期。

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Study on Seasonal Temperature and Flux Variation of the Bohai Strait

渤海海峡断面温度结构及流量的季节变化

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EDDY DIFFUSIVITY AND TURBULENT STRUCTURES IN BUBBLE COLUMNS The Turbulent Mixing and Double Diffusion in Yellow Sea and East China Sea and Their Seasonal Variation

鼓泡塔中的有效涡扩散系数及湍流特性黄东海湍流混合与双扩散现象及其季节变化

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In order to measure seasonal variation we typically use the ratio-to-moving average method.

为了度量季节变动,我们通常使用移动平均比率法.

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Hydrographic characteristics and seasonal variation of three anticyclonic eddies on the northern continental shelf of the South China Sea

南海北陆架区3个典型反气旋涡水文特征及演变规律

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The temporal variation of it has secular change, seasonal variation, irregular variation, and other scales variation.

重力场的时变有长期变化 、 季节性变化 、 不规则变化和其他多尺度的变化.

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Objective : To analysis the composition, seasonal variation of commmon flies and percentage of larva of flies.

目的:分 析浦东新区目前的蝇种构成 、 季节消长及蝇幼孳生情况.

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The Seasonal Variation of Total Ozon and Its Relationship with the Tropopause

臭氧层季节变化与对流层顶的关系

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The model takes into account seasonal variation of the price of banana and banana bunch weight.

该模型通过模拟海南岛西部采用较多的一年一造种植方式,考虑香蕉价格和果串钟随季节的波动.

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Seasonal design flood should not only satisfy the flood prevention standard also reflect seasonal variation characteristics.

分期设计洪水既要满足防洪标准,又能反映洪水的季节性变化特征.

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Temperature and Current Seasonal Variation of the Bohai Sea and Huanghai Sea and Its Effect of Operation on Sea

渤黄海温、流季节变异研究及对海上军事活动的影响

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Seasonal variation of soil biomass plays an important role in the carbon cycle of terrestrial ecosystem.

土壤微生物量的季节变化在陆地生态系统碳循环方面具有重要作用.

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The result showed that there was clear seasonal variation in the bird species diversity.

区系组成呈南北鸟类混杂分布,鸟类的多样性表现出明显季节性.

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Seasonal stable snow cover has significant influence on the temperature regime of frozen ground and the variation in the active layer.

季节性稳定积雪对冻土的温度状况和活动层的变化有重要影响。

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Can be drawn from the survey sample data, Zhuzhou City road green landscape of plants used in variety of bright colors, layering, and showed a seasonal variation.

由调查样地的数据可得出，株洲市道路绿地景观植物应用种类丰富，色彩鲜明，层次感较强，并呈季相变化。

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Seasonal Variation of Atmospheric Aerosol and Its Relation to Cloud Faction over Beijing-Tianjin-Hebei Region

京津冀地区气溶胶季节变化及与云量的关系

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Influence of Storm Surge Seasonal Variation on Determination of Extreme High Water Level in tidal zone and shallow water area

滩海地区风暴增水的季节变化对极端高水位确定的影响

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Surface effective radiation ( ELR ) had no significant seasonal variation.

地面有效辐射 ( ELR ) 无明显的季节变化.

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