查询词典 conditional density

2The density of human teeth is approximately among 1.20-1.40+103kg/m3. The density of crown is higher than that of root with significant difference.

人类牙的密度值恒定在一定范围之内，约在1.20～1.40×10~3kg／m~3之间，且牙冠密度值明显大于牙根密度值。

Forest structure,individual quality,tree density and crown density,and structure and function of brush forest are used to construct a criterion to the LQBF.

判定低质低效林的依据是林分的结构、林木个体质量、密度和郁闭度、灌木林结构和功能。

In conclusion, elevated plant density could reduce the positive effect of elevated CO2 and the addition of elevated CO2 might alleviate the negative effect of elevated plant density on crown features.

总之，升高CO2浓度有利于降低增加种植密度对苗冠所带来的负效应，而增加种植密度降低了升高CO2浓度的正效应。

The average Crown generally decreased when density increased in Larix principis-rupprechtii plantation with different density in Saihanba Forest Farm and there was a visible trend.

2塞罕坝机械林场5种不同林分密度下的华北落叶松人工林，随着林分密度的增加，平均冠幅逐渐降低，且趋势明显。

Based on surveying data of sample plots of Phyllostachys pubescens Mazel in Xian＇an district of Xianning City,the effects of aspect,gradient,slope,humus thickness,crown density and stock density on the increment of Phyllostachys pubescens Mazel.were analyzed.

以咸宁市咸安地区40块毛竹标准地的调查资料为基础，分析了坡向、坡度、坡位、腐质层厚度、郁闭度和立株度对毛竹胸径生长量的影响。

The soil and water losses are very light and its difference is not notable in woodland of different tillage mode of economic forest, relatively the soil and water losses is lighter hi protecting slope model than in clearing model in low crown density benching economic forest such as Chinese chestnut, but the soil and water losses is lighter in clearing model than in protecting slope in high crown density benching economic forest such as bayberry.

不同耕作模式成年经济林地水土流失情况都较轻微，差异性不显著。相对而言郁闭度小的经济林如板栗林地台地护梯方式要比台地清耕方式好，郁闭度大的经济林如杨梅林地台地清耕方式要比台地护梯方式好。

In this article, introducing subgrade max dry density and optimum water content, it introduces site density experiment methods（including cutting ring method, sand replacement method, applicable condition）instrumentand procedures.

本文在介绍路基土、路面基层最大干密度及最佳含水量方法的同时，还对目前现场密度试验普遍采用的方法：环刀法、灌砂法、核子湿度密度仪法适用条件、仪器、方法步骤等做了详细介绍。

According this problem, firstly this paper delves into radio circumstance of the band, frequency selecting rule and spectral density estimation. Basing on this research, this paper puts forward a frequency selection scheme basing on estimating spectral density of channels in 2.4GHz~2.5GHz.

针对此问题，本文首先深入研究了该频段无线电环境、选频准则及功率谱估计理论，在此基础上提出一种基于信道功率谱估计的选频方案。

This paper described the principle of plane ultrasonic spreading abroad in the liquid coming into being ultrasonic grating,educed the density and refractive index changing rule basis continuity equation of not-ideal liquid and Lorentz-Lorenz law,expressing the transformation of the index and refractive index satisfaction similar equation of standing wave,and described the relation curve of the standing wave form at a few special times,liquid density and refractive index periodic variety according to the res...

描述了平面超声波在液体里传播形成超声光栅的原理；根据非理想流体对应的连续性方程和Lorentz-Lorenz定律，推导了液体光栅中液体密度与折射率的周期性变化规律，表明液体密度和折射率变化满足相似的驻波方程；根据推导的结果描绘了几个特殊时刻的驻波波形、液体密度、折射率周期性变化之间的关系曲线；进而由折射率周期性变化规律分析了超声驻波自身像的形成原理，并给出了CGS型超声光栅声速仪利用超声驻波自身像测量声速的方法与实验结果。

The results reveal that under the conditions of the third-class sites in the Southern Fujian mountain areas,the suitable planting density is 1250～1798 trees/hm 2 for building eucalyptus short-cycle industrial raw material forests; and adopting the present density to conduct afforestation may culture the best-selling dimension lumber with higher growth and may obtain better economic benefits.

通过对 7年生巨尾桉不同造林密度生长量、生物量分析，结合目标培育径阶所确定的理论适宜株数的研究，结果表明，在闽南山地Ⅲ级立地条件下，营造桉树短周期工业原料林适宜造林密度为 1 2 5 0～ 1 798株·hm-2 ，采用该密度造林不但可以培育市场畅销的规格材且生长量较高，可取得较好的经济效益

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。