查询词典 divided difference

Secondly, BP neural network model is built to compute the ecological index, based on the results, five types of ecological community are divided, and the difference between the communities of the same type is discussed.

根据各社区土地利用现状和生态化指数的分布情况，将社区分别划分成五大类型，并比较各类型社区之间的生态水平差异。

Meters north-south elevation difference, divided into nine, from south to north and gradually form a Shiji Big Wild Goose Pagoda in the form of worship.

南北高差9米，分成9级，由南向北逐步拾级形成对大雁塔膜拜的形式。

The major difference between"Divided"and"Undivided"is that whether one s works can highlight readers aesthetic happiness at the very beginning.

在欣赏之初，作品能否唤起欣赏主体的审美快感，是隔与不隔的关键所在。

He then used that value of Vk and his own estimates of traffic volume to come up with a new—and, by his lights, more accurate—value for S. He then ran the equation again to find the value of S when 1,000 cars were added. The difference, divided by 1,000, represented the impact of each individual car.

利用计算出来Vk值，再结合自己对车辆数的估计，他算出了更为准确的S值；当V增加1000时，计算出新的S值，两个S值之间的差值除以1000，即代表了每辆车所引起的延迟时间。

The result shows:(1) The four seasons of Jiangsu province could be divided easily and the difference between North and South areas was obvious. The length of winter of whole Jiangsu province is the longest, the next is summer, and the length of autumn is near the spring's.

通过分析四季的变化，结果显示：(1)江苏省四季分明，且南北有明显的差别，就全省常年平均而言，冬季最长，其次是夏季，秋季和春季长度很相近，秋季略短。

The main parameter is the safety valve displacement, the displacement determined by the caliber of the valve seat and valve flap opening height, from the opening a high degree of difference Enlight is divided into two kinds of style and all-Kai style.

安全阀的主要参数是排量，这个排量决定于阀座的口径和阀瓣的开启高度，由开启高度不同，又分为微启式和全启式两种。

Nephrite common colors white, gray, green, dark green, yellow, black and other colors, most opaque, individual translucent, with vitreous luster, soft jade varieties are mainly divided according to the color difference.

软玉常见颜色有白、灰白、绿、暗绿、黄、黑等色，多数不透明，个别半透明，有玻璃光泽，软玉的品种主要是按颜色不同来划分的。

There were no difference in the appearance of parotid sialography in the 0 and the ≥60 age group. Conclusions: The pathological changes of the parotid duct in SS could be divided into 6 stages, ie, normal appearance of parotid duct, early stage of pathological changes of terminal ductules, late stage of pathological changes of terminal ductules, pathological changes of parotid trunk and branches of parotid duct, early-stage of gland atrophy, late-stage of gland atrophy.

60岁和≥60岁两组SS患者的腮腺造影表现经统计学处理无显著性差异、结论：SS患者腮腺导管病变可以分为腮腺导管形态正常期、末梢导管病变早期、末梢导管病变晚期、分支导管及主导管病变期、腺体萎缩早期及腺体萎缩晚期等6期。

The main scheme is to track every part of human body from top to bottom on the basis of human model. The image-difference-based motion estimation and the divided region histogram similarity algorithm are used.

其基本思想是在建立人体模型的基础上，按自上而下的顺序依次跟踪人体各部分，并在其中采用了基于图像差分的运动预测和分区域直方图相似度算法。

Objective: To investigate the difference of Brn-4 mRNA expression between the fimbria fornix transected rats and normal ones. Methods: 42 SD rats were randomly divided into 7 groups,6 rats in each group.

目的：探讨切割穹窿海马伞大鼠海马与正常海马内Brn-4 mRNA表达的差异。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了