In the first-degree site condition, the mean height and DBH of the sapling forests under intensive management increased by 21% and 48.4% compared with under extensive management, respectively.

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。

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。

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。

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。

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。

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%；

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

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。

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%；

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。

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%。

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

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。

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

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

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

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

In this lesson I particularity introduce the usage mode and make process of the message board.

本文介绍了留言板的制作过程和使用方法。

What about the message board?

留言版有什么消息？

This is a beautiful message board, ASP is done, the database of ACCESS.

这是有一个精美的留言板，是ASP做的，数据库为。