不同形状

Ray tracing method is used to calculate the spot pattern for different lens section plane,and then lens section plane of available dielectric material is optimized to reduce aberrations,so as to expand the field-of view.

采用射线追迹方法计算不同透镜剖面成像系统焦面上的点列图，对商用介质材料透镜通过优化剖面形状来减小像差从而获得视场扩大的效果。

Summary of the geographical and climatic conditions constrained mainly in greenhouse Structural optimization design of the status quo, such as the span, chiropractors, lighting roof angle, the light roof shape, After the wall structure and roof structures for different areas in greenhouse construction provide reference information.

综述了地域和气候约束条件下日光温室主要结构优化设计的研究现状，如跨度、脊高、采光屋面角、采光屋面形状、墙体结构和后屋面结构等，为不同地区日光温室建造提供参考信息。

In this study,additives were used to con-trol the size and shape of CaCO3.Needle,sphere,short chain and hexangular plate likenanometer CaCO3were synthesized by introducing CO2to lime suspension under opti-mum condition.

采用鼓泡碳化法，在最佳反应温度、反应物浓度、气体流量的条件下，考察了不同添加剂对产物形状及粒径大小的影响，得到了粒径小于100 nm且分散性能良好的球状、针状、短链状及六角板状纳米碳酸钙。

The shapes of the suspended ring in the present work are also designed to self-center the lens liquid, then influences of different shapes of the suspended rings on the variation of optical power of the meniscus are discussed.

悬浮的金属圆环同时被用来使透镜中的水滴自居中，讨论了具有自居中效应的不同悬浮圆环形状对弯月面光学功率变化范围的影响。

Macroscopic instability phenomena of NiTi shape memory alloy are reported during stress-induced martensitic phase transition.The research was focused on the evolution of Lüders-like band due to microscopic phase transition in grains percolating up to macroscopic level by self-catalysis.

介绍镍钛形状记忆合金发生应力诱发马氏体相变时的宏观失稳现象，研究微观晶粒内相变因自催化效应逾渗到宏观水平所表现的类Lüders变形带演化，同步测量应力-应变响应、表面形貌和表面温度，跟踪了不同热-机械复合加载条件下构件力学行为的变化。

Can be improve largely. To validate the system performance and the worth of research, a great deal of experiments have been done with different weld seam shape.

为了验证系统的工作性能和研究的价值，通过对不同焊缝形状的工件，我们利用本文所设计的系统，进行了大量的跟踪实验。

Various processing techniques give it lots of different shapes and uses, from block salt for livestock to coarse salt for grinders to fine-grained popcorn salt.

各种加工技术，给予不同的形状，并使用大量牲畜从块为细晶爆米花盐盐盐磨粗。

The influence of geometric and material nonlinear as well as the influence of different initial deflections was considered.

另外对拱肋不同的初始变形形状和初始变形值对结构整体稳定的影响进行了研究。

MR images was analyzed include tumor shape,margin, internal enhancement characteristics,distribution,and time-signal intensity curves,maximam enhancement ratio,early enhancement ratio and so on.The ADCs of lesions were calculated on ADC maps.Univariate and multivariate analysis of MR imaging data were performed to find the strongest discriminators and the Logestic regression model was established to predict the probabilities for malignancy.

由放射科医生采用双盲法阅片，根据乳腺MR影像报告及数据系统(BI-RADS MRI)，将病变按照不同形态学表现分为肿块和非肿块性病变两组，分析形态学表现(形状、边缘、分布特征、内部增强特征)、血流动力学表现(时间-信号强度曲线类型、最大增强率、达峰时间、早期增强率)，并结合ADC值，应用SPSS15.0软件进行单变量及多变量分析，挖掘有意义恶性征象，建立回归模型，计算其敏感性、特异性、准确性、阳性预测值和阴性预测值。

Golden and splendid sunbeams reflected in the waters to be against the shipments with different sizes and shapes.

一束束金黄色灿烂的阳光在水中反照出许多不同大小形状的船货。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。