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By parameter(tower total height, shell thickness, meridional curvature) analysis of cooling-tower natural frequency, we find that, the basic natural frequency of cooling tower is sensitive to the top meridional curvature, an approximate formula is proposed based on the parameters, which can estimate the basic natural frequency of cooling tower.

通过对冷却塔自振频率的参数分析，如塔体整高、塔壳厚度、子午线曲率等，发现基础频率对上部子午线曲率较为敏感，并给出了用于估算大型双曲冷却塔基础频率的三参数公式。

The connection that expands as insurance and traffic carrying trade is increasingly close, the industrial catenary that is sure to be a center with traffic is formed stage by stage, the liaison man that includes industrial catenary front carries tool manufacturer, distributors, orgnaization of each insurance major, representative holding course of study concurrently and broker company, and the travel of insurance official estimate of industrial catenary back end, lawyer travel and hospital, carriage tool repairs business to wait.

随着保险业与交通运输业发展的联系日益紧密，以交通保险为中心的产业链逐步形成，包括产业链前端的交通运输工具制造商、销售商，各保险专业、兼业代理机构和经纪公司，以及产业链后端的保险公估行、律师行和医院、运输工具修理商等。

Therefore, it is essential to estimate the information through the error rate observed by the receiver.

因此，通过误码率对这一信息进行估值是十分必要的。

However,there have been no papers which have investigated Minkowski and Minkowski slant helices and Minkowski conical geodesic curves so far as.In this paper,our major study is to give the definition of Minkowski general helix and Minkowski slant helices and Minkowski conical geodesic curves in indicators 1 in pseudo-Euclidean three-space (that is, three-dimensional Minkowski space), and study the definition of equivalence Minkowski general helix, By considering geometric invariants of these space curves, we can estimate the order of contact with those special curves for general space curves.

本篇文章主要研究在指标数为1的3维伪欧氏空间(即三维Minkowski空间)中，我们给出Minkowski一般螺线、Minkowski斜螺线和Minkowski锥面测地线的定义，研究Minkowski一般螺线的等价定义，给出Minkowski斜螺线和Minkowski锥面测地线作为三维Minkowski空间中的特殊曲线所特有的性质，并通过考虑三维Minkowski空间曲线的几何不变量，估计Minkowski斜螺线和Minkowski锥面测地线这两种特殊曲线和一般Minkowski空间曲线切触的阶数。

The main difficulty in maintaining the low-flying, right before the target stopped before there are some mountains, trees also more than the flying height, waiting for the alarm, flying low over the tree would die a hurry, here is a pattern even distracted skills tree from the woods and trees around the gap between the wearing, wearing a back end, failed several times, the requirements of high technology is,豁出去later, and is not even a few fighter planes like you play, the beginning fly, warning a short while, and soon the hills, two aircraft from put a red 4 missiles, missile thought more terrible, the result was even easy to flash, I saw a missile fly in front of the explosion really fun, in fact, the missile is a good hide, and more attention after the perspective to observe the missile position, when the missile away from you, almost 100 distance of 100 -200 m,(their estimate of the distance from there anyway) who has risen sharply and optional, you can play to stimulate the rapid decline in almost a sudden sharp rise in the ground, of course, elections are the rapid turn right turn left, air giant slalom, flip aircraft line, multi-练练, the computer is the point of missile小意思, nothing after playing air combat, interesting ah ~~~~ even the highest record was 28 to avoid a meeting, including surface-to-air missiles, the computer told me to fly by the tail I am thrown to the ground the trees the mountains 11 miles or a word and the computer novice and more air play than the simple low wear and more trees to the

难度主要在保持低空飞行，快到目标前有一些高山挡住，树还特别多，飞的比树高，等着报警把，飞的比树低想死着急，这里偶愣是用花样技巧，从树林里树与树的缝隙之间穿了过来，最后又穿了回去，失败几次，要求技术实在是高，后来豁出去了，不就是几架战斗机偶就跟你们玩玩，一开始就高飞，不一会报警了，快到山头， 2架飞机冲过来放了4导弹，原以为导弹多可怕，结果，被偶轻松闪过，看见导弹飞到我前面爆炸真好玩，其实导弹是很好躲的，注意多用后视角，观察导弹位置，当导弹离你差不多100-200米百距离，(自己估计的反正有段距离)可选者急速上升，还可以玩刺激急速下降快到地面时突然急速上升，当然选者急速右转左转，空中大回转，翻转飞机都行，多练练，电脑那点导弹完全是小意思，以后没事耍空战，有意思啊~~~~偶最高纪录是1次避了28枚导弹包括地对空，电脑跟我机尾飞被我甩在地上山上树上海里11次总之新手还是和电脑多玩玩空战比起超低空穿树简单的多的去了

Next,by the use of the method on anisotropy subdivision in [8],we have proved the properly advanced element satisfy the feature of anisotropy for arbitrary convex cuboid subdivision in 3-dimension space and the error estimate is obtained.

接着，运用文献[8]中关于讨论各向异性的方法，我们证明了此单元在适当的改进之后，对长方体剖分满足各向异性特征，并且给出了相应的误差估计。

On the basis of the thermal flow intensity temperature distribution in the hearth and slag and liquid iron temperature,a prediction method has been developed to estimate the hearth erosion through simulating the temperature distribution of the hearth with self-baking carbon brick and ceramic brickwork as a lining by means of Kriging's method.

以鞍钢7号高炉自焙碳砖陶瓷砌体复合炉缸的热流强度、炉缸内各测温点和渣铁温度为依据，利用最小误差回归分析方法提出了炉缸侵蚀状态的预测方法。

If the Confucius Institute and Hollywood movies are controlled by political or commercial forces and thus it's difficult for kind-hearted and simple-headed people to make an reliable estimate of the Chinese culture's true global influence, Ni Hao, Kai-lan , a made-in-USA and broadcast-in-USA children's TV show aimed at entertaining the next American generation without any considerations of the adult's world, provides an innocent testimonial for the rise of the Chinese culture.

如果孔子学院和好莱坞大片的背后有政治或者商业的力量在支配，从而让心怀善意、头脑单纯的人们容易错误估计中国文化的真实影响力的话，美国人自产自销、旨在娱乐他们的下一代而无成人世界功利考虑的少儿节目《你好，凯兰》（ Ni Hao， Kai-lan ）的成功则为中国文化影响力的上升提供了一个清白的见证。

Computer simulation result shows that two algorithms can estimate channel fading coefficients more effectively by setting bigger data block length N.3 Joint ML block semi-blind channel estimation is applied to OFDM system.

计算机仿真结果表明，这两种算法均可以通过设置较大的数据分组长度N，达到有效的信道估计效果。

According to self-estimate, appropriately lengthening the time of education for 15- 19 year-olds to halve the 6.37% proportion of employment to the national total, we shall be able to cut the nationwide jobs by 23 million, of which 5 million were jobs in cities and towns. This would not only alleviate the pressure of employment, but also raise the cultural quality of the youngsters and rear high-quality human resources, providing motive force and fountains for the sustainable development strategy of our country.

据测自，适当延长15-19岁青少年受教育时间，使其就业人数占全国总就业人口比重由目前的6.37%下降一倍，那么全国劳动就业供给量可望减少2300万人，其中城镇可减少500万人，这样不仅可缓解就业压力，还可大大提高青少年的文化素质，形成高质量的人力资本，为我国的可持续发展战略提供动力和源泉。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。