查询词典 summation formula

Based on Hill' elastic-plastic instability theory,the velocity field for sheet instability which is caused by the shear stress during sheet metal forming is developed,and the theoretical formula of the wrinkling critical shear stress is proposed.

以Hill关于弹塑性失稳理论为基础，建立了剪应力起皱失稳的速度场分布，给出了临界起皱剪应力理论计算结果，分析了板料屈服强度、硬化指数、板厚方向性指数及板料厚度对临界剪应力的影响，并与实验和数值模拟结果进行了对比。

Clinical study: 90 patients diagnosed in The Third Hospital of Beijing University according as diagnostic standards were divided into three groups stochastically:therapy group, control group I and control group II, each group has 30 patients, the therapy group was treated by the method of clarifying and descending the lungs and the stomach, the anti－cough decoction; the control group I was given acute bronchitis syrup and Jiawei Baohe pills; the control group II only given acute bronchitis syrup, after seven days treatment, the results show that the efficiency of the therapy group is 80%, that is higher than both of the control groups(p.01), the therapeutic principle and formula is effective and valued in clinic.

临床研究部分：以2001年9月－2002年3月在北京大学第三医院中医科门诊就诊的90例有胃内伤基础的外感咳嗽患者作为观察对象，随机分为3组，治疗组治以肃肺降胃法，用自拟汤药治疗；对照组I治以急支糖浆合加味保和丸；对照组II单纯用急支糖浆，并详细记录患者临床症状和体征的变化，经一个疗程（7天）的治疗，治疗组取得了80％的显效治愈率，显著优于对照组（P.01），说明这种立法与处方是可行的，具有较高的临床价值，并进一步拓宽了治疗外感咳嗽的思路与方法。

The M5′s 7-speed SMG Drivelogic system features gear-change keys on the steering wheel and a selection lever on the central console for Formula One- style driving.

BMW M5的7档SMG变速系统的特点在于，方向盘上设置换档按键，中央控制台设置选择杆，给人以F1方程式赛车的驾驶感觉。

Alexandrian scientist who invented many water-driven and steam-driven machines and devised a formula for determining the area of a triangle.

希罗亚历山大时期的科学家，发明了许多水动力机和蒸汽动力机并想出了测定三角形面积的公式

A method is supplied to decide normal states of regenerative heater under variable steam conditions, and to diagnose troubles of regenerative heater; Frugal formula can be used to calculate the pipe pressure loses of extractive steams, and to diagnose problems of extractive steam pipes.

提出了回热加热器正常状态的确定方法，可用此方法判断加热器运行状态是否正常；弗留格尔公式可用于确定变工况下抽汽管道压损值和诊断抽汽管道的故障。

Power and mechanical engineering ; steam turbine ; rotor ; wheel ; wheel rim ; heat transfer coefficient ; calculation formula

动力机械工程；汽轮机；转子；叶轮；轮缘；传热系数；计算公式

Around 9 months or so, your baby will be able to pick up small pieces of soft table food to eat. You'll still need to spoon-feed for a while, and continue formula or breast milk.

宝宝9个月左右时能用手抓桌上较软的食物，此时仍要用小勺喂上一段时间，并继续母乳或者配方奶喂养。

The sphere aggregate model and the circle aggregate model based on Walraven formula can usually be used to approximate gravel aggregates and spherical aggregates, but it can not be applied for detritus aggregates.

球形骨料模型和基于瓦拉文公式生成的圆形骨料模型基本上能够接近卵石、砾石等球状或浑圆状的骨料，但与一般碎石骨料的形态差异较大。

And it also put forward the principle of panel division, the formula of signal timing, and the requirement of capacity and speed of frame cache.

文章给出了屏体的划分原则，信号时序的计算公式，上屏时钟和点亮效率与其它设计参数的关系，亮度、对比度的计算公式和影响因素。文章分析了扫描电路对帧缓存容量和速度的需求。

In a speech from the White House, the president did not offer a detailed formula to cut dangerous emissions, which scientists say trap heat from the sun leading to gradually rising temperatures on Earth.

在来自白宫的演讲中，总统并不提供详细的办法来降低危害的散发，科学家们表示圈留太阳的热量会导致地球的温度的逐渐升高。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。