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- With the stepped-reduction method, the solution of a circular and annular plate with arbitrary axisymmetrical boundary conditions and arbitrary vertical pressure can be obtained. 摘要利用阶梯折算法，由传递矩阵导出变厚度圆环板平衡问题的初参数解的显式表达式，将圆环板的优化设计转化为极小化目标函数的非线性规划问题。
- circular and annular plate 圆环板
- Circular and flat. Used especially of leaves. 圆而平的，尤指树叶
- The body wall has outer circular and inner longitudinal muscles. 体壁有外环形肌和内纵行肌。
- The granaries themselves are circular and quite sophisticated. 这些小谷仓本身是圆形的，构造精良。
- alternate circular ports and annular spaces 交替圆形和环形通道
- Churn flow and annular flow are common flow patterns encountered in gas-liquid systems through conduits. 摘要对垂直同心环形管内上升气液团状流向环状流的转换进行了研究。
- It can measure drilling engineering parameter,such as drilling pressure,torque,side pressure and annular pressure etc. 钻压、扭矩、侧向力、环空压力等钻井工程参数可以随钻进行测试。
- It can press not only round tablest but also double-layered and annular tablets. 本机除压制圆形片外，还能压制异形片、又层片、环形片等。
- The position device of plate can be minitrimed circularly and crosswise. 其中压印滚筒采用国产高精度滚针轴承；
- In this paper,a simple method on the plastic limit analysis of annular plates under linearly load has been given out. 本文结合环板在线性荷载作用下的塑性极限分析问题,给出一种简便的计算方法,即奇异函数法。
- The eclipses include: total solar eclipse, the partial eclipse and annular eclipse. 日食主要有日全食、日偏食及日环食三种。
- Chiu and Seman(1971)studied the head loss of flows transporting sediment in circular and square pipes with spiraling motion. 邱和思门（1971）研究了在圆管和方形管中输沙时具有螺旋运动的水流的水头损失问题。
- The aerodynamic performance of the aft-loaded and fore-loaded turbine blade was investigated using the linear and annular turbine cascades experiments. 摘要采用平面叶栅和环形叶栅吹风试验对后加载和高负荷前加载叶型的气动性能进行了详细的测量和研究。
- There was not a single letter for Fitzpiers, only a medical circular and a weekly newspaper. 菲茨比尔斯这天一封信也没有收到，只收到一份医学通报和一份周报。
- Trees separate all the roads in the city, and the circular and triangular road dividers at traffic junctions are covered with flowers and plants. 市区干线车行道都以树木隔界；交叉路口的环行和三角地也铺种花草；
- The results indicate that the zonal symmetry and annular mode predominate AO in wintertime and summertime, but more prominent in the AO active period in wintertime. 结果表明，北极涛动在水平方向上主要呈纬向对称的环形模态，且这种结构在冬季北极涛动的活跃期表现更为显著；
- Helicobacter pylori infection will affect the level of circular and endogastric growth hormone-releasing peptide. 幽门螺杆菌感染可以影响循环和胃内的生长激素释放肽水平;
- This paper analyzes the network structure of the hybrid fiber coax,such as star form network,tree form network,star tree form network and annular network. 分析了混合光纤同轴网的几种组网方式 ,如星形网、树形网、星树形网和环形网。
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
