1) density derivative
密度导数
1.
The estimates of density derivatives constructed by the kernel function can keep better convergence rates and continuity,and the order of polynomial does not change when the order of derivatives is changed.
用它构造的密度导数估计保持连续性和较好的收敛速度，且多项式次数不随求导次数改
2) Derivatives of Density Function
密度函数的导数
3) Pilot density
导频密度
4) derived density
导出密度
5) density function
密度函数
1.
Study on force density function and stress field analysis of the waved-edge milling insert;
波形刃铣刀片受力密度函数的研究及其应力场分析
2.
Solving a kind of integral problem by using the normalization of the probability density function;
用概率密度函数的归一性解决一类积分问题
3.
Formula of density function of sum of independent random variable of uniform distribution;
服从均匀分布的多个独立随机变量和的密度函数公式
6) number concentration
数密度
1.
Atmospheric aerosol number concentration, atmospheric visibility and particulate mass concentrations, such as PM10, PM2.
2001年夏季和冬季,在北京市大兴区榆垡镇,利用光学粒子计数器、能见度仪和颗粒物质量监测器对近地面大气气溶胶粒子数密度、大气能见度、颗粒物质量浓度(PM10、PM2。
2.
Atmospheric aerosol particulate size distribution, number concentration of aerosol, atmospheric visibility and particulate mass concentrations, such as PM10, PM25 and PM10 were detected by an optical particle counter (OPC), a visibility meter and ambient particulate monitors respectively at the same time in Beijing during the winter of 2001.
2001年冬季,用光学粒子计数器、能见度仪和颗粒物质量监测器对北京市大兴区北藏乡近地面大气气溶胶粒子数密度、数密度谱、大气能见度、颗粒物质量浓度(PM_(10),PM_(2。
补充资料：非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条