平均密度

Species richness and diversity of arborous layer were higher than herbaceous layer but lower than shrub layer in various vegetations except deciduous broad-leaved forest at vertical structure.

从群落特征参数值来看，人为干扰对植物群落特征和结构造成了一定的影响，同种干扰类型下，平均树高、平均胸径、立术密度等表现出相似的规律。

In order to determine organic storage and its space distribution characteristics in paddy field of region, on the basis of second soil survey database, the space databases in unit of soil local type were set up by adoption Arcview software, integrated with GIS software, basined on soil type methods and region scale, the distribution of soil organic carbon storages in purple paddy soil of Chongqing were investigated. The results showed that the storage of SOC in Banan district of Chongqing was 6.48×10^6 t and average SOC density in Banan district with 8.31 kg/m^2 was higher than that of China.

为了明确区域稻田土壤碳库蓄积量及其空间分布特征，以全国第二次土壤普查数据资料为基础，运用地理信息系统软件Arcview建立研究区以土种为单位的空间数据库，结合GIS空间分析功能，基于土壤类型法估算重庆市巴南区稻田土壤有机碳储量及其空间分布特征，结果表明：研究区稻田土壤有机碳总储量约为6.48×10^6t，平均土壤有机碳密度为8.31kg/平方公尺，略高于全国平均水平。

According to the biggest traffic density and corresponding canal occupation rate on the Grand Canal in the south of Jiangsu province, we can divide Grand Canal in the south of Jiangsu province to checkless Section and crowded Section.

通过对不同平均吨位下的船舶密度和航道占有率计算分析，得出了平均吨位大的船舶构成对航道的利用率高的结论。

Results There were 9 kinds of rodents at Yanshan Mountain, including Rattus confucianus, Apodemus peninsulae, Apodemus agrarius, Mus musculus, Clethrionomys rufocanus, Rattus norvegicus, and Cricetulus triton, Soriculus hypsibius, Crocidura gmelini. The rodent density ranged from 3.13% to 7.33%, and average density was 5.83%.

结果 北京市东北部燕山山脉共捕获社鼠、大林姬鼠、黑线姬鼠、小家鼠、棕背、褐家鼠、大仓鼠、川西长尾鼩、北小麝鼩9种；不同生境地区小兽密度为3.13%~7.33%，平均5.83%；平均带病毒率为2.83%，抗体阳性率为3.77%。

It detailed analyzed particle numeral densitydistributing law about system of the earth atmosphere In it to found : 1 balance condition of the system is differentiate and ecumenic thermodynamic system .

本文详细的分析了地球大气系统粒子的数密度的分布规律，从中发现：(1)该系统的平衡条件有别于一般热力学系统的平衡条件；(2)该系统粒子数密度分布规律不仅与系统粒子的平均速度和所在处的重力势能有关，而且还与系统的温度和速度的距离梯度有关，也与系统的整体运动速度有关。

However, they are different from each other at graphological and grammatical levels due to medium differences. The number of words in one paragraph in newspaper is greater than that in broadcasting and the average sentence length of newspaper is significantly greater than that in broadcasting.

但是由于传播途径不同，它们在语法和字系方面有很大的差别：报纸的平均段落单词数，平均句长都比广播长，标点密度比广播密集，并列连词和从属连词使用频率也比广播高，两者在表示数据，时间，人名以及称呼时也各有其特征。

Mytilus edulis dominated the biomass and density of the macrobenthic fauna on the two sections. The biomass and density of the mid intertidal zone were greater than those of the low zone.

中潮带的生物量和平均栖息密度远大于低潮带；贻贝作为绝对优势种主导着2个断面生物量和栖息密度的分布特征。

To investigate the effects of stereological alteration of platelets on hemorrhage in hemorrhagic fever with renal syndrome, platelet mean cross area, area density of α-granules, volume density,the mean open tubule and pseudopodia mean were performed stereometric analysis in 12 patients with HFRS.

曾庆善 ，谢玉桃，鲁猛厚对12例肾综合征出血热患者血小板的平均截面积、α-颗粒的面数密度、体密度及开放小管和丝足的均数进行计量学分析。

Results There were 5 species of indoor free flea in Hepu County and Pulex irritans was dominant, accounted for 93.40%.

结果合浦县黄胸鼠体共有6种寄生蚤，年平均鼠密度为4.09％，平均染蚤率为43.13％，黄胸鼠体印鼠客蚤指数为1.0982。

The HDL reduction [HDL-3 subfraction] with the testosterone group was only an average of 9%.

的高密度脂蛋白减少[高密度脂蛋白3分支]与睾酮组平均只有9％。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。