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Xie-Beni index decreases with the number of partitions increasing. It is difficult to choose the optimal partition of data when the number of clusters is large. From the point of view of the compactness and the separation of clustering, a novel clustering validity function is proposed, which is based on the improved Huber Г statistic combined with the separation of clustering.

针对此问题，分别考察改进的Hubert Г统计量和聚类分离度，导出一个新的基于数据几何结构的聚类有效性函数，使得它有惟一的最大值，函数值随聚类个数增大而递减的趋势并不影响最优聚类个数的判定。

The results show that the mass density of disc galaxies increases an order of magnitude from the early-type disc galaxies to the later one, oblateness decreases to minimum at Sd,m, and then increases Having excepted SO and IrII, these parameters vary with the type of disc galaxies monotonicly.

早先得出早型盘星系的质量密度要比晚型高一个量级Ⅲ。这是因为所用的质量值是光度质量，早年得到的早型星系的质光比大于晚型星系一个量级。然而后来的工作发现盘星系的质光比大约为同一值嘲。后来有

The number of the spectral switches decreases with decreasing obscuration ratio,and the relative spectral shifts at the spectral switches increases with decreasing carrier frequency and pulse width.

光谱开关的数目随遮拦比的减小而减小，而发生光谱开关处的相对光谱移动随载波频率和脉冲宽度的减小而增加。

This effect is probably related to the interaction between amorphous PE in PP copolymer and PE phase in mPE and EPDM. T〓 of mPE decreases with increasing the octene content, and maximum damping of the glass transition relaxation increases.

PP／SEBS共混物中SEBS的玻璃化温度随SEBS含量的增加而降低，表明共聚PP中的PE相对SEBS中丁二烯嵌段的玻璃化松弛转变影响很小。mPE中的辛烯含量越高，其低温损耗峰的强度越高，玻璃化温度越低，低温韧性越好。

The content of olefin decreases from 42% to 12%. The content of iso-paraffin increases 17%.

同时催化剂在非临氢条件下对FCC汽油芳构化也有很好的反应性能。

The results show that compared with those of without signal control mode, the suggested strategy increases the average speed on the mainline upstream at onramp by about 8%, and decreases the travel time on the mainline section by 7.2%.

结果表明：与无信号控制方式相比，本文方法可提高主线平均速度8%左右，减小行程时间7.2%。

The XRD result indicates that the axial ratio c/a of the tetragonal structure decreases with increasing the content of platinum, which leads to an increase of the deviation from unity of the tetragonal structure. So that, the anisotropy field of the ordered phase is improved and the coercivity is increased.

合金的X射线衍射结果表明：时效热处理后，随着Pt含量的增加，合金面心四方结构的有序相的c/a值逐渐减小，c/a值的减小增大了四方晶格结构的a与c方向的不对称性，使有序相的磁晶各向异性场增大，提高了合金的矫顽力

In contrast, it decreases osteoclastic cell differentiation and resorbing activity, and increases osteoclast apoptosis.

同时雷奈酸锶还可以抑制破骨细胞分化和破骨细胞活性并刺激破骨细胞凋亡。

For example, Wal-Mart Stores Inc. announced increases in inventory turns, decreases in out-of-stock occurrences, and a replenishment cycle that has moved from weeks to days to hours.

打个比方，沃尔玛就是这样，公布增加了库存量的详细目录，减少脱销情形，针对具体时间做出补给周期。

Experiments carried outby many investigators prove that the ultimate strength, the yield strength and hardness in-crease with the deformation, on the other hand, the elongation decreases, the impact valueand reduction of area also change.

很多研究工作者的结果都证明：极限强度、屈伏强度和硬度随着变形量而增加，但是延伸率则减小，冲击值和断面缩减率也产生了变化。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。