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叉口
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  “叉口”译为未确定词的双语例句
     Stress Analysis and Control Measure of Universal Joint Fork Port Deformation
     万向节叉口变形应力分析及控制变形措施
短句来源
     Kinematic Analysis and Strength Study of the Universal Joint for Turbodrill
     涡轮钻具用叉口万向节的运动分析与强度研究
短句来源
     CAG showed 4 patients had LM stenosis at the ostium,2 at midportion and 1 at bifurction portion.
     左主干狭窄部位:开口部4例,中部2例,叉口部1例.
短句来源
     Four submodels of the transportation system are established: loading model, road model, model of interlace spot and unloading model of dump yards.
     建立了运输系统的四个子模型:装载模型、道路模型、叉口模型和存弃渣场模型。
短句来源
     Basd on analysis,the hot trimming stress is the main cause to produce deformation of fork port of the universal joint.
     通过对万向节叉叉口变形情况进行分析,得出其变形原因为热切边应力。
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     The Model for the Coordinated Control on Five-Leg Roundabouts Based on the Constraint of the Circulating Lane Capacity
     五环形交信号协调控制模型
短句来源
     Stress Analysis and Control Measure of Universal Joint Fork Port Deformation
     万向节变形应力分析及控制变形措施
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We have simulated the three of the most disastrous floods which took place in the tidal region of the Min River in the last more than twenty years The high precision in the simulations has been got through the proper defining of the mathematical model, the difference scheme, the boundary conditions, the topographical parameters, Dechezy coefficient and the way to deal with the river forks. The computation programme developed during the simulations was used to predict the disastrous flood taking place in the...

We have simulated the three of the most disastrous floods which took place in the tidal region of the Min River in the last more than twenty years The high precision in the simulations has been got through the proper defining of the mathematical model, the difference scheme, the boundary conditions, the topographical parameters, Dechezy coefficient and the way to deal with the river forks. The computation programme developed during the simulations was used to predict the disastrous flood taking place in the Min River on June 2, 1984, and a good result was obtained. The differences in the flooding process heights between the observed and the computed are within 20 cm. The dynamic numerical simulations and the practical predction in this paper are domestically new attempts and for the first time the method played part in flood contol.

本文对闽江有潮河段近二十多年来最大的三次洪水的过程水位进行了数值模拟。由于合理地确定了数学模式、差分格式、稳定性条件、边界条件、Dechezy系数及分叉河道叉口的处理方法,因而使模拟获得较高的精度。将由此而确定的数值计算软件用于试报1984年6月2日闽江特大洪水也获得很好的结果。过程水位预报值与实测值之差都在20cm之内。本文所做的动力数值模拟和现场试报,在我国是一种新的尝试。这一方法已初次在防讯中发挥作用。

A model for tidal current and COD dispersion in Pearl River, Guangzhou Reach was developed. The model was calibrated and verified based on observed tidal flow and measured COD data. The variation of COD value was discussed according to both measured and calculated results.

本文提出了珠江广州段COD数值模拟的控制方程、计算格式、方法、步骤和程序,并结合野外实测资料进行了参数校正和验证计算。并根据计算和实测结果对珠江广州段COD污染的时空变化特点进行讨论。本文的主要特点是:(1)考虑了COD模型的各项影响,尤其是感潮河网涨退潮交替的不定常流影响;(2)提出了感潮河网不定常流条件下COD模型数值计算中的叉口处理,即关联任意个河段的叉口处受涨退潮影响的处理方法。

With the aid of finite element simluating test, the stressesof the universal joint with varied design dimensions are cal-culated. Then, based on the calcualted results of a number ofdimension groups and by using the least square method, a setof engineering-oriented formulae for strength checking aredeveloped. Results obtained by strain-gauging have proved theaccuracy of these formulae.

用有限元法模拟实验过程,改变叉口或万向节的结构尺寸,计算出应力结果,然后根据多组结构尺寸的有限元应力计算结果,采用最小二乘法回归出了一套工程上实用的强度验算公式,并用电测实验证明了公式的正确性。

 
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