多型性

Under the oblique incidence cases, the optical path difference of light beam distributed on the edge of steps can be calculated by using the geometric method. Then, according to the multi-slit Fraunhofer diffraction, the expression of diffraction intensity of reflection step grating is deduced.

针对反射性阶梯光栅，利用几何方法计算出斜入射情况下光束在台阶边缘的光程差的分布情况，根据多缝夫琅和费衍射推导出反射型阶梯光栅的衍射光强表达式。

A rheostat or other device used to vary the intensity of an electric light .

在多个光电接收器串联或并联连接时使用的一种电阻性体效应型光敏元件。

It might be used as arbitrary marker for the therapeutic decision between secretagogue, sensitizer, or insulin therapy in type 2 diabetes.

他并建议需要更多大型的横断性和前瞻性研究，因为它可能被用於第2型糖尿病的促胰岛素分泌剂、增敏剂或胰岛素疗法之治疗判断的专一性标记。

Using Lyapunov and LMI methods, robust control and robust filtering problems of 2-D Roesser model with polytopic uncertainties have been solved. The slack variable technique was used in the results to reduce the conservation.

本文采用线性矩阵不等式、矩阵分析等工具，通过lyapunov方法，解决了具有多胞型不确定性的2-D Roesser模型的鲁棒控制、鲁棒滤波问题，并且在结果中运用松弛变量技术，使得解的保守性降低。

B Physical form (e.g., polymorphic form, solvate, hydrate): to be commented especially if requested as grade.

物理形态（如：多晶型，溶剂化物，水合物）：按要求分级别作出描述溶解性，及其他相关特性

Taken example for solving real engineering problem, the methods and steps for the analysis of the steering-wheel vibration is discussed.

为了解决某型轿车的转向盘振动问题，本文通过对影响转向盘振动的诸多因素逐一进行分析，结合先进的试验手段和CAE分析技术，找出了引发该轿车转向盘振动的主要原因是车轮动平衡质量不合格及固定转向柱管的仪表板横梁刚度不足，通过提高车轮动平衡质量，改进仪表板横梁设计，提高仪表板横梁的刚度和固有振动频率，结合道路试验进行主观评价，改进后的转向盘振动达到了平顺性要求。

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折叠式铝合金展览架最大的优点是： 1、外观美观、细腻、本产品全部采用高强度铝合金材料，经过阳极处理； 2、承受力强、连接性强、安全系数高、不易变型； 3、运输携带方便、省运输费、搭建费及装潢费； 4、环保性强，不会产生大量的垃圾，一次性投资可重复使用，可自行维修、使用后可回收不会对自然产生污染，代替了世界上的木材资源； 5、多功能组合、组装简易、时间短、效率高、男女皆可、节省大量人工、费用； 6、造型多样化、可根据客户的需要定做S型、菱形、圆形、弧形等。

Genetic diversity in 12 populations of apomictic Eulaliopsis binata was evaluated by morphological observation and RAPD analyse ,as a result, 12 populations of E.binata were divided into different types.

通过分析龙须草核型和观察花粉母细胞减数分裂过程中染色体行为与变异，判断其倍性水平和多倍体类型。

The 19 strains of bacilliform bacteria were identified by biochemical tests, part of their 16S ribosomal DNA were amplified, sequenced, and phylogenetically placed.

分离得到得19 株乳杆菌通过菌落、菌株形态观察以及多项生理生化等常规鉴定，并且通过16S rRNA 基因序列测序鉴定，确定这19 株乳杆菌分属于乳杆菌属内专性同型发酵类型中三个不同的种。

PP1740 copolymer is a multi phase copolymer,composed of homo-polypropylene,ethylene-propylene rubber,and crystallizable propylene-ethylene copolymer.Homo-polypropylene part offers rigidity and EPR part offers impact strength.The relative ...

研究结果表明，PP1740共聚物由均聚聚丙烯、乙丙橡胶和可结晶的乙丙共聚物组成，具有优良的机械性能；均聚聚丙烯为PP1740共聚物提供刚性，乙丙橡胶可提高PP1740共聚物的抗冲性能；PP1740共聚物的相对分子质量分布呈多分散性，相对分子质量分布较宽；乙丙橡胶的相对分子质量较大，以直径1～2μm球型微粒均匀分布在聚丙烯基体中，有利于提高PP1740共聚物的冲击强度；PP1740共聚物的熔点较高，耐热性好。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。