An artificial earthquake record with the Kanai-Tajimi model and trigonometric series superprosition method is generated.

基于Kanai-Tajimi模型和三角級(jí)數(shù)迭加法人工模擬了地震波，在人工模擬地震作用下分析了地鐵車站抗震性能久久久九九少女。

The trigonometric series model based on the grade inputs of standard surface and the road surface random spectral excitations of autoregressive model based on engineering data were calculated under the normal distribution, the uniform distribution and the congruence white noise input.

在正態(tài)分布人人干,人人拍,人人吊,人人操、均勻分布和同余法產(chǎn)生的零均值白噪聲的輸入下，計(jì)算了基于標(biāo)準(zhǔn)路面等級(jí)輸入的三角級(jí)數(shù)模型A片ⅩXXXX，以及基于實(shí)測(cè)數(shù)據(jù)的自回歸模型的路面隨機(jī)譜激勵(lì)亚洲欧美中文精品。

The principles and steps of the methods were introduced, the sixth grade track ire-gularity PSD of U.S. railway samples in time domain were achieved by simulating trigonometric series respectively, the samples were taken as the inputting disturbances of a vehicle-track vertical dynamics model, the time response courses of vehicle system we- re obtained by numerical simulation.

介紹了國(guó)內(nèi)外常用的軌道不平順數(shù)值模擬方法的模擬原理和步驟，采用計(jì)算機(jī)仿真程序模擬出三角級(jí)數(shù)法生成的美國(guó)六級(jí)軌道不平順譜時(shí)域樣本三级黄美女安全色网站，并以此作為車輛一軌道垂向動(dòng)力學(xué)模型的輸入激勵(lì)在线免费观看一区，通過數(shù)值仿真得出系統(tǒng)的時(shí)間響應(yīng)歷程。

If you remember your trigonometry, then you may recall that the arctangent function can be used to get an angle from an X and a Y coordinate.

如果你還記得你的三角日韩无码黄色电影网站，然后您可能會(huì)記得国产一级性爱网站，反正切函數(shù)可以用來從一個(gè)角度的X和Y坐標(biāo)黄色自拍偷拍网址。

Arithmetic,algebra,geometry,and trigonometry are branches of mathematics .

算術(shù)曰批视频免费观看在线、代數(shù)、幾何和三角是數(shù)學(xué)的分科免费美女网站国产。

Not all new moons and full moons are friendly, but this is a sweet one, for it will receive an out-of-sign "trine" from Uranus, planet of surprise.

并不是所有的新月和滿月都是友好的A级毛片免费久久下载，不過這次新月將是甜蜜的，因?yàn)槟銓⒔邮盏酱笕侵刑焱跣堑捏@喜特質(zhì)人人看人人摸人人操人人看。

Published: March 30, 2008Julie Andrews 's memoir is full of crisp locutions like "poor unfortunate" and "banished to the scullery" and "trivet," a characteristically precise term that the dictionary defines as "an iron tripod placed over a fire for a cooking pot or kettle to stand on."

朱麗午夜福利理论片中文字幕。 安德魯斯的回憶錄里的措辭簡(jiǎn)潔詼諧，通篇充斥著諸如"可憐的不幸"最新2020中文字幕永久人人视频、"流放到廚房洗碗刷碟"和"三角鐵爐架"等国产99精品免费线观看视频，字典里對(duì)"trivet"下的典型定義就是放在爐火上支撐鍋或者水壺等三角支撐物體。

It lay very high upon a turfy down, and looking north-eastward before I entered it, I was surprised to see a large estuary, or even creek, where I judged Wandsworth and Battersea must once have been.

宮殿聳立在草皮覆蓋的一塊高地上亚洲不卡AV不卡一区二区岛国。我走進(jìn)宮殿前朝東北方向望了一眼黄片国产免费看，驚訝地發(fā)現(xiàn)那邊有一個(gè)大港灣或者叫三角灣，我斷定這是旺茲沃思和巴特西的原址大学生美女一级片。

Using Position Sensitive Device and triangulation to measure the turnplate's run-out error of induction meters is a new uncontact, high precision and automatic method.

基于PSD(Position sensing device-位置敏感傳感器)和激光三角法檢測(cè)感應(yīng)式電能表轉(zhuǎn)盤的跳動(dòng)誤差是一種可用在電能表生產(chǎn)企業(yè)進(jìn)行非接觸国产一区二区三区性交黄片、高精度、自動(dòng)測(cè)量的新方法电影一级毛片。

The DTAD maximizes both the minimum internal angle and the average aspect ratio, which turns out that the DTAD is the optimal one among all triangUlations of a given point set within a domain.

DTAD具有最小角最大以及平均形態(tài)比最大的性質(zhì)只有美女的黄色网站，因此它是給定區(qū)域和點(diǎn)集的最佳三角劃分。