性质

Had substernal chest discomfort with a characteristic nature and duration and their angina was relieved by rest or nitroglycerin.

心绞痛三组症状包括①胸骨后的不适感，其性质和持续时间均有特征性，即心绞痛时间性质部位符合；②劳力或情绪激动可诱发心绞痛症状；③休息或硝酸甘油可缓解心绞痛症状。

Three ketocoumarin dyes that has different substituent at 3-position were synthesized and the spectroscopic properties were investigated.

二。香豆素染料吸收与发射光谱的性质及作为荧光极性探针的研究合成了3个3-位不同取代基的香豆素染料，研究了它们在不同环境下的吸收与发射的光谱性质。

This crossover superfluid has many characteristics that are similar to these superconductors," he explains."We hope this superfluid system is easier to understand, and that we can then project that understanding into a better understanding of superconductors.

我希望这种交叉超流体的性质与超导体的性质很相似，我们希望这种超流体系统更容易理解，这样就可以进一步加深对超导体的了解，他说。

The properties of the basis functions, such as the weighting property, positivity, symmetry and endpoints' properties,are similar with those of the n degree Bernstein basis functions,and the generated curves are similar with the n degree Bézier curves.

基函数的权性、非负性、对称性、端点性质等均与n次Bernstein基函数类似；生成曲线也具有与n次Bézier曲线类似的几何性质。

The history and fundamental properties of HTSC, including crystal structure, transport properties, pairing symmetry, psudogap, and stripe phase, were reviewed in Chap.

第一章综述了铜氧化物高温超导体，特别是电子型高温超导体的研究历史和一些基本性质，包括晶体结构、输运性质、超导序参量对称性、赝能隙和条纹相等。

The mechanism of the reaction was studiedin detail,in which excited state avaliable to carryout the excited state intramolecular proton transferreaction was recognized.The INDO/S-CI semiempiricalMO method was used to calculate transition energiesand oscillator strength,and assign spectra theore-tically,the calculated spectra values were basicallyconsistent with the experimental values.Themolecular orbital properties for the adjacent HOMO-LUMO of various kinds of conformersand anion species,thetransition properties and symmetry for thetransition from ground state to lower excited stateswere analysed,especially,no much study on theanion species all of the world.

位能曲线的求法满足反应坐标是反应过程中能量最小途径的定义，较详细地研究了各类反应的质子转移历程，认定在哪个激发态有利于发生激发态分子内质子转移反应，用INDO/S-CI半经验MO方法进行跃迁能和振子强度计算及光谱的理论指认，计算的光谱值和实验值基本吻合，并分析了各种异构体和阴离子的HOMO-LUMO附近的轨道性质，各跃迁态的跃迁性质和对称性，尤其是对阴离子的研究国内外尚不多见。

For figures enhance the clearness of speech only when the figurative meaning is obvious, either from the nature of the case (eg from a reference to a statue of Lincoln, by saying:"This is Lincoln") or from the usages of common parlance (eg in the case of this synecdoche:"This glass is wine"), Now, neither from the nature of the case nor in common parlance is bread an apt or possible symbol of the human body.

数字提高晴空的讲话只有当形象化的意义是显而易见的，无论是从案件的性质（例如，从一个参考一雕像，林肯说："这完全是林肯"），还是从用法常见用语（例如，在案件提喻本说："这杯子是酒"），现在，无论是从案件的性质，也没有共同的用语是面包的论题，或可能出现的象征人体。

The elastic properties of syntactic foam s with coated hollow spherical inclusions have been studied by means of Mori and Tanaka's concept of average stress in the matrix and Eshelby's equivalent inclusion theories.

利用Mori＿Tanaka平均应力的概念和Eshelby等效夹杂的原理，研究了含涂层空心球复合泡沫塑料的弹性性质，从理论上导出了这类复合材料的有效模量预测公式·此外，基于这些理论公式，讨论了涂层厚度和泊松比变化对复合泡沫塑料有效模量性质的影响

Once standing on the ground of our true nature, we will recognize the true nature of other human existences as well as other existing beings around us like bird, stone, branch of tamarind tree.

一旦站立在地面上的真实性质，我们会认识到的真实性质，其他人存在，以及其他现有的人在我们周围像鸟，石头，支罗望子树。

Green fluorescent protein from Aequorea victoria is a novel marker compared with other bioassay markers that has potential use in the study of teleost development biology, transgenic research, and aquaculture.

从水母中选殖出之绿萤光蛋白标的与其他生物分析标的具有与众不同之性质，其具有潜在研究性质并可运用於鱼类发生生物学，基因转殖研究与水产养殖上。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐