垂下

A time domain method was proposed for analyzing the vehicle-bridge stochastic vibration excited by multidimensional time-delay nonwhite rail irregularities .

提出时滞多维非白噪声轨道不平顺激励下车辆－桥梁垂向随机振动的时域分析方法。

Also, a method of quasi-stable adjustment and a software system researched and explored by Visual BASIC Language have been used to process the observation data of GPS dam deformation monitoring network..3 A mathematical model of three-dimension combined adjustment with GPS and other surveying data under station orthogonal coordinate system in deformation monitoring networks, has been brought forward.

提出了站心地平坐标系下GPS观测数据与其它地面测量数据三维变形监测网联合平差的数学模型，在数据处理模型中通过参数化的方法消除或减弱垂差和垂直折光的系统误差的影响。

The next point to be staked is a common issue in the GPS RTK staking. It is proposed in this paper that the coordinate of a certain point be used to determine its direction and perpendicular distance from the road center.

在GPS RTK道路中线测设时，常遇到下一个点在何处的问题，做法是随测一个点的坐标，反算出该点趋向道路中线的方向与垂距，在行进之中，实现导向与导距。

The features of petrography and quality of coal in three different parts of delta,owing to the change in the position and types of swanp and plant community,show vertical and lateral zonation and difference between.

上、下三角洲平原及过渡带的泥炭沼泽的煤岩煤质特征具有垂向和侧向分带性，彼此间又有差异。

Using two symmetrical plano-convex lens system to fabricate grating was analyzed and the characteristic of diffraction wavefront aberration of the grating was summarized by ray tracing program using MATLAB siftware.

分析使用两个对称的单平凸透镜光路制作光栅并用MATLAB编写光线追迹程序分析了所制作的光栅的衍射波像差的特点，经计算得出在较小焦比D/F情况下其衍射波像差仅与两支光路点光源的调节偏差之差有关与单独的各个偏差无关；初级像差中球差很小几乎可忽略：彗差仅与垂轴调节偏差之差成线性关系；像散仅与轴向调节偏差之差成正比；且当平凸透镜的焦比D/F增大时，各像差项迅速增大。

The first group was active in the Late Miocene, while the second one was active since the Pliocene.

NE向断层活动强度小，规模大，从下至上切穿上新世以来沉积层，组成高角度断裂和垂向裂隙系统。

We had disembarked at the village that afternoon, and I had slumped on some shaded steps, wishing I knew some Spanish or some Quechua so I could speak with the ring of little girls who were alternately staring at me and smiling at their toes.

我们是那天下午在这个小村上岸的，我垂着头坐在树阴下的踏级上，真希望自己会说几句西班牙语或盖丘亚语，好跟围成一圈的小女孩说说话，她们一会儿看看我，一会儿又低头看着自己的脚趾窃笑。

After confirming that the rope reached the ground, about 80 feet below, Peruchini began his rappel.

在确定绳子已经碰到大约 26 公尺下的地面后，Peruchini 随即开始垂降。

It is found that water velocity vertical distribution under ice-cover is influenced mainly by the relative size of channel roughness and ice-cover roughness, less by the water depth and not sensitive to the variation of Reynold number as well, which is relatively uniform in the flow core and deviates from the logarithmic law.

结果表明：冰盖下水流流速垂向分布主要受床面与冰盖粗糙度的相对大小影响，受水深影响较小，对雷诺数变化并不敏感；在流动核心部分分布较为均匀，并不遵循对数分布规律。

The results show that the depths calculated by the vertical grads method are quite satis factory under various conditions.

在具有高分辨率资料的情况下，垂向梯度法是4种方法中计算东海夏季跃层上界深度的最佳方法。

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。