查询词典 age distribution

In terms of age distribution, male overweight and obesity rates were from the 20-year-old age group starting with age increase, the highest in the 30-34 years of age, then decreased in 30-39 years of age, followed by changes in body weight without apparent regularity; female overweight rates always raised with age increase and declined from the 50-59 age group.

从年龄分布来看，男性超重率和肥胖率均从20岁年龄组开始，随年龄的增加而增加，在30~34岁达到最高，到30~39岁年龄段有所下降，之后体质量变化无明显规律性；女性超重率随着年龄的增加始终呈现上升趋势，到50~59岁年龄段又有所下降。

The age structure and age distribution curve showed that Cycas fairylakea was a declining population.

种群年龄结构及年龄分布曲线显示仙湖苏铁种群为衰退种群。

Choosing reliability simulation data as a sample, the parameter confidence interval as coding space and the reciprocal of errors between empirical distribution function and acquired distribution function as a fitness function, the point estimation model of age distribution is established based on the genetic algorithm, and the reliability function of complex systems is acquired.

以可靠性仿真数据为寿命样本，待估计参数的置信区间为编码空间，以经验分布与所求分布误差倒数为适应度函数，建立了基于遗传算法的寿命分布参数点估计模型，求得了复杂系统可靠度函数。

This study deals with age determination and age distribution of muskrat populations.

利用新疆等地区的597号麝鼠头骨标本和其它材料，研究种群年龄组成。

The age structure of a population is the number of individuals in each age class expressed as a ratio, and is usually displayed nor contracting nor contracting will have a stationary age distribution.

年龄和时期结构种群的年龄结构是每一年龄阶段个体数目的比率，通常以年龄金字塔图来表示。

Using a mean age concept defined by Deleersnijder, we apply the three-dimensional hydrodynamic and eutrophication model HEM-3D to investigate the pollutant age distribution under different river discharge conditions in the Pamlico river estuary, North Carolina.

根据Deleersnijder定义的一个平均年龄概念，运用耦合了物质输运模式的一个三维水动力－富营养化数值模型(HEM-3D)，研究了位于美国北卡罗莱纳州Pamlico河口的污染物输运时间在不同淡水流量影响下的分布情况。

Source 2 – Age Distribution on Social Network Sites Is age distribution targeting more your thing?

2 -年龄分布於社会网络网站更针对您的年龄分布的事？

Age structure effect----Changes in the age distribution induced by the rate of population growth.

年龄结构效应——由人口出生率引起的年龄分布变化。

The result shows that the age distribution of fishes tends to low-age in the reservoir.

结果表明该水库的鱼类年龄组成趋于低龄化。

This age distribution and obviously different from seasonal influenza, seasonal influenza is about 90% of severe cases and deaths occurred in ≥ 65 years of age.

这一年龄分布与季节性流感明显不同，季节性流感约90％的重症病例和死亡发生在≥65岁的老年人。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了