提出了一种多密度网格聚类算法gdd。
This paper presents a grid - based clustering algorithm for multi - density (GDD).
多密度是什么意思？
然后，分别讨论了利用问卷调查、多密度空间聚类和数据规格化的方法计算POI对象的各项显著性指标值的过程；
Then, the processes of computing the vector values of POI objects are discussed by the methods of questionnaire survey, multi-density spatial clustering and data normalization respectively.
基于网格的多密度聚类算法不仅能够对数据集进行正确的聚类，同时还能有效的进行孤立点检测，有效的解决了传统多密度聚类算法中不能有效识别孤立点和噪声的缺陷。
GDD algorithm can not only clusters correctly but find outliers in the dataset, and it effectively solves the problem that traditional grid algorithms can cluster only or find outliers only.
比如，可能它的形式电荷为负一，因为在一定程度上它得到了这么多的共用电子密度，那么它现在就有了负的形式电荷。
So for example, that might have a formal charge of negative 1, because to some extent it has gained that much electron density that it now has a formal charge that's negative.
但是丹佛可以参考多伦多的做法，因为两座城市气候和人口密度更为相近，而多伦多的人均二氧化碳排放量只有11.6吨。
But it might learn from Toronto, which emits 11.6 tonnes of carbon dioxide per person and is closer to Denver in climate and population density.
多库恰耶夫承认，这样的文明将不得不应对包括巨大潮汐力和因光子捕获产生的高能量密度在内的非常规条件。
Dokuchaev admits such a civilization would have to cope with extraordinary conditions including huge tidal forces and massive energy densities as photons become trapped.
一名消防局发言人告诉新西兰电台：“这次的地震比上次严重的多。虽然密度不高，但是造成的损失更大。
"The shake has been a lot worse, maybe not in intensity but as far as damage is concerned, and there are numerous people trapped, " a fire service spokesman told Radio New Zealand.
屋面保温材料应选用孔隙多、表观密度小、导热系数(小)的材料。
Roofing heat preservation material should be chosen, disrupting the apparent density is small, coefficient of thermal conductivity (small) materials.
这是采用独特的多光束技术实现的，图2显示了其工作原理，降低了功率密度，减小了热负载，缩小了刻线宽度。
This is achieved by using a unique multi beam technology, demonstrated in figure 2, which reduces the power density, minimizes the thermal load, and reduces the kerf width in the wafer.
在制作上，根据性能和结构要求，采用了高密度布线、多芯片组装的薄膜工艺。
For fabrication, a thin film process of high density routing and multi-chip assembly is adopted to meet the performance and structure requirements.
有形因素如人口密度也对一个社会多紧张起作用。
Physical factors such as population density also play a role in how tight a society is.
方法采用两个不同态的密度算符距离函数方法，从理论上研究两个不同多模奇相干态光场之间的距离。
Methods the distance between two different multimode odd coherent state light fields was analyzed theoretically by the method of distance functions of density operator.
多硝基立方烷是非常重要的立方烷衍生物，其具有高张力笼状结构、属于当前热切追求的高能量密度材料（HEDM）。
Polynitrocubanes are one of the most important derivatives of cubane and belong to the new type of high energetic density materials (HEDM) with high strain and cage structure.
从该电子密度模式和电离层波传播特性出发确定多径分量，计算短波信道相干带宽。
The coherence bandwidth of shortwave channel is calculated by using the density profile and wave propagation features in ionosphere.
过高的密度对多育型饲用玉米营养含量的改善不太有利。
It did not avail to reforming of nutritive content for more-bearing forage maize in high density.
那是因为有这么多的其他因素可能会影响骨质密度，研究者说。
That's because there are so many other factors that could affect bone density, the researchers said.
气体离化团束的高溅射产额可能是由于多体碰撞、侧向溅射及高能量密度的照射引起的。
The higher sputtering yield would result from multiple collision, lateral sputtering and high density energy deposition of gas cluster ion beam.
对各工况下的二维疲劳载荷，采用权系数的方法，合成并获得了多工况下的二维载荷联合概率密度函数。
Two dimensional fatigue loading under various working conditions is synthesized with weight coefficient method to obtain joint probability density function under multiple working conditions.
内容摘要：目的探讨高血压病时多器官微血管密度的变化，以及它与高血压的因果关系。
Objective: To investigate the change of micro-vascular density of SHR, and its relationship with hypertension.
因而机器有多类控制装置，如选针、三角变换、密度调节、针床横移、导纱器变换装置等。
So the machine has many controlling assemblies such as needle selecting, triangle changing, density adjusting, needle bed moving, thread-carrier changing etc.
通常腺毛密度大、发育状况好及腺毛分泌物多的烟叶香气浓郁、纯厚、饱满。
Usually, trichome density is big, the growth condition is good and the trichome secretion quantity is big that leaf fragrance is full-bodied and satiation.
研究结果对多波段、高光密度、高透过率新一代激光防护材料的制备具有重要意义。
This research has led to be helpful in preparing new anti-laser materials applicable to multiple wavelength, high optical density and having high transmittance.
论文系统研究了工艺条件对多气孔球扁药粒度和堆积密度等特征性能参数的影响规律；
The influences of the process condition to the properties of SPMP as bulk density and average diameter were investigated by the numbers.
省内入湖四水泥沙含量低，洲滩优势植被为莎草、柳林，家畜活动数量多，感染螺密度高。
Many domestic animals are herded there and the density of infected snails is high.
重建应用多平面重建（MPR），最大密度投影（M IP）及容积显示技术（VRT）。
Reconstruction methods were multiple planar reconstruction(MPR), maximum intensity projection(MIP) and volume rendering technique(VRT).
目的：探讨螺旋CT多平面重建(MPR)、表面遮盖法重建(SSD)和最大密度投影(MIP)重建在骨关节外伤中的临床应用价值。
Objective: To assess the clinical value of multiplanar reconstruction (MPR), surface shaded display (SSD) and maximum intensity projection (MIP) with spiral ct in trauma of bone and joint.
目的探讨螺旋CT多平面重建(MPR)、表面遮盖显示法(SSD)及最大密度投影法(MIP)在肩胛骨骨折诊断中的价值。
Objective to evaluate the clinical application value of multiplanar reconstruction (MPR), shaded surface display (SSD) and maximum intensity projection (MIP) with spiral ct to scapular fractures.
目的探讨螺旋CT多平面重建(MPR)、表面遮盖显示法(SSD)及最大密度投影法(MIP)在骨盆骨折诊断中的价值。
Objective To evaluate the diagnostic value of multiplanar reconstruction (MPR), shaded surface display (SSD) and maximum intensity projection (MIP) of spiral ct for pelvis fractures.
阐述了一个产生从红噪声到绿噪声的多色噪声源的途径，给出了这种噪声的关联函数和谱密度。
An approach is proposed for producing a multi-colored noise from red noise to green one, and the correlation and spectral functions of this noise are given.
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