本文利用产业空间集聚指数和行业集中度CR。指标对中国部分制造产业1994- 2003年集聚水平进行了测度。
The agglomeration level of some China "s manufacturing industry was measured by the concentration index of industrial space and CR_n index in 1994-2003."
采用车辙深度、横向裂缝长度和路面抗滑性能指数三指标，使用动态聚类法，划分预防性养护路段。
The preventive maintenance sections are divided by using dynamic cluster method and three indexes including rutting depth, transverse crack length and skidding resistance.
产出井产出剖面连续得到改善，产液指数下降幅度较大，见效时间较聚驱提前等动态变化特征。
The production profile of production well is continuously improved, the produced fluid index decreased rapidly, and the responding time is earlier the polymer flooding.
利用两个聚类效果评价指标模糊效果指数FPI和归一化分类墒NCE，确定了最适宜的分区数。
Performance index (FPI) and normalized classification entropy (NCE) were used to determine the optimum cluster number.
本文提出了一种新的聚类指数增长模型来预测江苏洋口港海区西太阳沙附近海底的冲淤变化。
A new cluster index growth model to predict submarine erosion and sediment near the West Tai-Yang-Sha of Jiangsu Yangkou-Port has been brought forward in this paper.
本文提出了一种新的基于有效性指数的聚类算法，无需提供聚类的参数。
In this paper, we propose a new clustering algorithm based on cluster validity indices, which obviates the needs for cluster parameters.
理论上研究了盘形聚能器的轴对称纯径向振动和纯扭转振动。所用盘形聚能器的厚度，沿半径按阶梯形，锥形和指数形变化。
Axis symmetrical pure radial and pure shear vibrations were investigated theoretically for disk concentrators, whose thickness varying step-wise, linearly or exponentially with radial distance.
采用灰色聚类方法评价了清河门地区矿坑水的水质特点，并与综合指数法进行了比较；
Using the gray cluster method appraised the Qinghemen area ore pit water quality characteristic, and has been compared with the synthesis exponential method;
预聚除能够提高催化剂的活性外，对提高聚丙烯粉料的表观密度和等规指数、减少聚丙烯颗粒的破碎有显著影响。
Besides increasing the catalyst activity, the pre-polymerization can not only raise the bulk density and isotacticity of the PP product, but also significantly diminish the cracking of the PP powders.
结果表明，异氰酸酯指数和改性木素含量对聚氨酸性能有影响。
It showed that isocyanate index (the ratio of NCO to OH) and lignin content influenced the properties of synthesized polyurethane.
结果表明，异氰酸酯指数和改性木素含量对聚氨酸性能有影响。
It showed that isocyanate index (the ratio of NCO to OH) and lignin content influenced the properties of synthesized polyurethane.
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