mean height的例句大全

Persistent anomalies of 500 hPa pentad mean height in summer and persistent droughts in the north of China

夏季500hPa候平均高度场的多年持续性异常与我国北方持续干旱

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The canopy, mean height and mean breast diameter of tree layer raised step by step, but the species richness and diversity of communities lowed progressively along with community succession;

森林采伐后随着顺行演替的进行，乔木层郁闭度、平均树高和胸径逐渐增长，群落的物种丰富度和多样性指数逐渐降低。

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Relationship between Spectrum Anomaly of Global 500 hPa Monthly Mean Height Field and Flood/ Drought in Shaanxi

500hPa月平均高度场球函数谱异常与陕西旱涝的关系

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The annual mean height ( temperature) of tropic type tropopauses shows an increasing ( decreasing) tendency.

热带类对流层顶年平均高度变化呈上升趋势，年平均温度变化呈下降趋势。

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It is suggested that the June rainfall may be predicted by means of 500 mb monthly mean height in February and mean sea-surface temperature in January.

提出可由2月500毫巴平均高度和1月平均海温预报当年6月份雨量。

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Effects of crown ratio and mean height on the relative stem form were studied by sample plots and sample trees for Pinus tabulaeformis in main forested region of Shaanxi.

本文用在陕西主要林区调查的油松标准地、标准木材料，就树冠率和平均高对相对干形的影响进行了研究。

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Climatic Characteristics of Monthly Mean Height Field on 30 hPa in Stratosphere

平流层30hPa月平均高度场的气候特征

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Mean height of seedlings was not affected by the liana cover and competition styles.

不同木质藤本盖度下不同竞争方式对乔木幼苗平均高度无影响。

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The average of some parameters such as mean height and roughness of five images in each cell represented as the whole cell.

将5幅图像的平均粗糙度、均方根粗糙度、表面颗粒平均高度的平均值作为该细胞的参数。

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The vertebral height recovered average 29%, with mean height loss of 5% through six month follow up.

椎体高度术后平均恢复29%，6个月随访复查椎体高度再丢失平均为5%；

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The mean height of the tree was 3.72 m 2 years after shearing and was reduced by 76.88% as compared with the trees no shearing.

夏季大枝修剪后第2年，树冠高度为3.72m，比对照降低了76.88%；

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Firstly, forest stand mean height and volume were estimated based on low-density airborne LiDAR ( 0.39 points/ m2) using the improved crown recognition algorithm.

首先，基于低密度机载激光雷达数据（0.39个点/m2）利用改进的树冠识别算法进行了林分平均高、蓄积量估测试验。

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Their mean height and weight were accord with the corresponding national reference values.

平均身高、体重与全国调研标准基本符合。

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The selected families'mean height , DBH, individual volume was 8.1 m , 16.5 cm , 0.1132 m 3 , respectively.

入选家系平均树高8.1m, 平均胸径16.5cm;平均单株材积0.1132m3.

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The selected provenances'mean height, DBH, individual volume was 8.12 m , 12.49 cm , 0.0552 m 3 , respectively.

入选种源平均树高8.12m, 平均胸径12.49cm;平均单株材积 0.0552m3.

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A study on the United time-space structure of 500 hPa monthly mean height

500hPa月平均高度距平场统一的时空结构研究

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Relationship of the relative stem form to crown ratio and mean height for Pinus tabulaeformis

油松相对干形与树冠率及平均高的关系

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Some characteristics of the monthly mean height fields at 500 hPa over the Northern Hemisphere

北半球高空月平均形势的若干特征

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Mean height and growth of new branch were increased by 17%-71% and 17%-125. 2%.

平均树高、新梢生长量分别提高14%～71%、17%～125.2%。

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To contrast the mean height ( after correction) of each group ( A-F) with that of the normal population by the t-test. The level of significance was set to 0.05.

用统计学方法（t检验）比较各组中的腰椎间盘平均高度值（校正后）与正常人群之间的差异，显著差异水平定为0.05。

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