然后将“贡献度”作为网格单元密度，使用密度阈值函数来定义网格的密度阈值进行聚类。
Then the Contribution is the grid density and dispose of density threshold of grid by the method of density threshold.
在网格动态划分过程中，根据密网格和稀疏网格的产生情况，确定最佳网格粒度与密度阈值。
It ascertains the optimum grid granularity and density threshold on the basis of the situation in which dense and sparse grid is generated during the procedure of grid dynamical partitioning.
分析了该打标过程的作用机理，通过实验得出了对几种不同的卷烟用纸打标的能量密度阈值条件及优化条件。
The marking mechanism is studied, the fluence threshold of marking is acquired in experiment, the conditions of marking is optimized.
结果表明，脉冲co 2激光功率密度经三次反射激光聚焦系统达到空气击穿阈值，实验中观察到等离子体发光现象。
The results show: pulse power density from CO2 laser reaches air breakdown threshold through thrice reflecting focus system, and plasma radiation phenomena is observed in the experiment.
并提出用害虫种群潜在密度确定卷叶螟经济阈值的方法。
Economic threshold for this pest insect was estimated by measuring the increasement rate of population density.
如果磁通密度大于阈值波普，DO是转向下沉和出生日期是转向驱动器。
If a magnetic flux density is larger than threshold Bop, DO is turned to sink and DOB is turned to drive.
激光掺杂存在一个阈值能量密度。掺杂浓度和深度的分布与预热温度和杂质镀层厚度有关。
It is found that there is a threshold energy density in laser doping, and distributions of dopant density and depth have relation to preheat temperature and plating layer thickness of the impurities.
得到了阈值电压和比例差分峰值，界面陷阱密度和应力时间的关系。
The relationship between the threshold voltage and the peak of proportional difference, and between the interface trap density and stress time are also acquired.
根据激光吸收区等离子体组分与激光功率密度的关系判定激光支持爆轰波(LSDW)的点燃阈值。
The ignition threshold of laser supported detonation wave (LSDW) can be determined based on the component variation of plasma in the laser absorption zone with laser power density.
进一步分析认为，这是因为条宽变窄导致器件阈值电流密度、阈值载流子密度变大造成的。
Further analysis shows that it is caused by the enhancement of the threshold current density and threshold carrier density in terms of optical-gain spe.
方法：9例志愿者行主动脉弓同层动态增强扫描，利用获得的主动脉弓时间-密度曲线（TDC），寻求触发技术的理论阈值。
Methods:Dynamic CT scan was performed in 9 volunteers, measuring the CT value of the same plane of aortic arch and the theoretical threshold was obtained by the time density curve(TDC).
在损耗调制的情况下，系统变化前后的阈值载流子密度不同，被忽略的二阶小量可能会达到与一阶小量可比拟的程度。
For a loss modulation where the threshold carrier density may change, the neglected term may become comparable to the retained first order small quantity.
该算法首先通过设置平台阈值对背景的增强进行抑制，然后将直方图在灰度密度和灰度间距两个方向进行均衡处理。
At first, the image background is suppressed by setting a threshold. Then, both gray density and gray interval of the histogram are equalized.
在起始清洗阈值和完全清洗阈值之间，清洁率随着激光能量密度的升高而增大。
Between the initial cleaning threshold and complete cleaning threshold, cleaning percentage of the surface increases with the increasing of laser fluence.
具体地说，在损耗调制的情况下，系统变化前后的阈值载流子密度不同，此时小信号近似分析可能会失效，因而使用时需慎重。
More specifically, if the threshold carrier densities are different before and after the system changes, the small signal analysis should be used very carefully.
计算结果表明，当杂草密度低于阈值时，不需要防除。
The computed results indicate that when the weed density is below the threshold, no weed control should be required.
当有其他物体遮挡在焦点前，入射激光的功率密度小于SBS的阈值，SBS不能发生。
When there is an object present in front of the focus, it leads to lower incident intensity and then SBS does not occur.
研究结果表明，在算法中不同的流域应取不同的阈值，所取阈值的范围对提取出的河网密度、精细度等有着巨大的影响。
The results show that the algorithm in different basins should take a different threshold. The scope of the threshold affect the density and precision of the extracted network widely.
该模型预测的电子密度增加，增加航道水深在亚阈值区或温和反转区域。
This model predicts an increased electron density with an increasing channel depth in subthreshold region or mild inversion region.
对不同功率密度激光作用的模拟结果进行分析，并求解了纯铝熔化破坏的激光功率阈值。
The simulation result with different power laser density is discussed, and the laser power threshold density for aluminum is calculated.
对不同功率密度激光作用的模拟结果进行分析，并求解了纯铝熔化破坏的激光功率阈值。
The simulation result with different power laser density is discussed, and the laser power threshold density for aluminum is calculated.
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