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In this paper, cryptology and the secure technology in E-commerce were discussed firstly.

咳方案能有效地防止来自购买方和供应方的商业诈骗。

Firstly, cryptology and related theory is summarized. Especially, multimedia encryption algorithms are classified and their characteristics are studied in detail.

首先，概括总结了密码学的相关理论基础，特别分类研究了适用于多媒体数据加密的算法及其特点。

Gemi firstly adopts liquid crystal micro-processor to set heating period in day and in week.

行业内率先引进液晶微处理器，可设定每周工作日和每天工作时间。

The main purpose is to construct cubature formulae on an arbitrary spherical triangle. Firstly a method for accurately computing the definite integral of spherical polynomial functions on a spherical triangle is proposed.

本文主要研究定义在球面三角形上函数的数值积分，通过积分的插值多项式函数构造具有多项式精度的插值型求积公式，以及给出精确计算球面三角形上多项式函数方法。

Firstly, the paper makes a detailed study on the dielectrical properties of coal and associated minerals. This paper proves that the dielectric constants of coal and each composition follow cube root addition law.

首先对煤及伴生矿物的介电性质进行了详细研究，根据电动力学理论证明了煤的介电常数与其中各组成部分的介电常数之间满足立方根相加规律。

Firstly, we studied the effects of synthetic temperatures on AgSbPb18Te20 samples in specific pressure. The XRD results indicate that AgSbPb18Te20 can be synthesized at more than and equal to 1120℃ and synthesized AgSbPb18Te20 samples are belong to cubic system.

结合指标化程序给出的晶格参数和我们实验测定的密度，我们认为我们所合成的样品是固溶体，然后又对样品三的原始XRD谱，利用Material Studio中的Reflex模块中的Reflex Solve对其进行了结构求解，得到其最好的结构为符合空间群为FM-3M的结构（如图4.9）。

The paper firstly locates Culler's position in structuralism from micro-aspect and macro-aspect and then from two levels of the subject construction and literature definition focuses on the foundation of Culler's poetics in aspects of linguistic procedure and institutional theory to find the theory premise of Culler's poetics.

本文首先从微观视野在结构主义内部和从宏观视野在结构主义外部为卡勒进行定位，以便寻找发展的契机。其次聚焦卡勒诗学的根基，从学科建设和文学定义两个层次，围绕语言学程序和惯例论立场，发掘卡勒诗学赖以产生发展的理论前提。

Firstly, the definition of reverse cumulation span is given.

给出了反向累加生成的定义，主要讨论反向累加生成基矩阵构成，得到了反向线性累加生成空间。

Firstly, the relation between cumulative distribution function and aggregate size are available based on stereological theory.

首先，根据体视学原理，得到了骨料累计分布函数与粒径之间的关系，利用Fortran语言编制程序，计算出骨料的粒径和位置，模拟了混凝土二维圆形骨料的随机分布，随后根据材料的细观结构，建立起了混凝土的数值模型。

Firstly, variables which were acquired for the above two kinds of classification system were obtained from field and laboratory investigation of the core samples as well as test of supersonic waves in drilling holes. Secondly, distribution functions and parameters of all variables are determined using statistic method. Thirdly, 20000 RMR values or BQ values and cumulative distribution function of these RMR or BQ values have been obtained utilizing Monte—Carlo method and the results are plotted. Finally, risk analysis can be made from above results.

风险评价方法步骤如下：（1）首先通过岩芯样品的现场观测和实验室试验及钻孔岩体超声波测试获得两种分类所需的变量；（2）通过统计分析和判断得出各变量的分布函数及参数；（3）运用Monte—Carlo模拟方法获得2万个RMR值或BQ值及相应的累积分布函数，并将结果绘成岩体质量描述图；（4）运用以上结果作出岩体质量风险分析。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。