firstly的例句大全

Firstly, we use a simple diffraction sketch and a grating equation to understand the physical mechanism about corrugated surface adjusting emerging beams.

首先用一个简单的衍射示意图结合光栅方程成功的阐述波纹面调控光束的物理机制。

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Along with the invention of differential amplifiers, the first electroencephalograph was invented in 1934. The operation theory of it is as follows: firstly, we can use electrodes that are placed in the cortical layer and on the scalp to detect low EEG signals.

脑电图机产生于1934年，是伴随着差动放大器的发明而出现的。其工作原理是：首先由放置在头皮的电极在体表或皮下检测出微弱的脑电（EEG）信号；

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Firstly, Airy stress function and the distributions of the membrane forces are determined by the combination of double cosine series.

首先采用双重余弦函数的组合确定了面内冲击矩形薄板的艾雷应力函数和中面力的分布；

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In the system of SBIR, firstly, extracted the image's stereometry feature on the analogy of the image's stereometry model, then denoted this feature with quadtree indexed structure, last carried out the grade image retrieve;

在SBIR系统中，首先根据图像的立体模型，提取图像的立体几何特征，用四叉树索引结构表示，实现了分级的基于图像立体几何特征的图像检索系统；

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Firstly, as the story goes, it was evolved from the custom of presenting the elderly glutinous rice cakes to show their respect.

首先，随着剧情的推移，它是从赠送老人糯米糕展示自己尊重的习俗演变。

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Firstly, this paper analyzes the distribution of pile-top counter force, pile-end resistance and additional stress of the substratum influenced by raft rigidity in different loads and piles length.

本文首先采用有限单元法分析了不同荷载形式，不同桩长条件下筏板刚度对桩顶反力、桩端阻力和下卧层附加应力等的影响。

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In 1962, Stylosanthes was firstly introduced to Hainan of China as a cover crop in rubber tree plantation from Malaysia.

我国于1962年首次从马来西亚引种柱花草到海南岛，作为橡胶园的覆盖作物。

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In this study, the crowned shape and size of cylindrical roller are accomplished based on contact analysis and mechanical property of the cylindrical crowned roller bearing is also researched. Firstly, a solution method for finite length cylinder contact is built with slice method.

本文在接触分析的基础上针对圆柱滚动体轴承的修形方式、凸度量大小以及滚动体修形之后对轴承的力学性能影响等方面做了研究。

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Firstly, improve the domestic tax system, secondly, establish and perfect the guarantee system of cross-border mergers and acquisitions in accordance with established practice.

一是完善国内税收制度。二是按照惯例建立和完善跨国并购保证制度。

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Firstly, we make use of the natural divisibility of logging curves to find relatively stable cyclic boundary dividing unit, identify four major categories and ten kinds of micro-facies and models, and a detail geological description was given.

首先，利用测井曲线的自然可分性，寻找相对稳定的旋回界限划分单元，识别出四大类、10种微相及模型，并进行精细地质描述。

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Firstly, we have to correct your posture--the way you sit, at work especially, and how your desk is set up.

首先你的姿势要纠正，坐姿，特别是工作时候的坐姿，以及你办公桌的摆放。

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This paper firstly gives a brief introduction of the meaning, origin and functional features of gain sharing plan, then sums up and evaluates the theories concerned combining with its practice in foreign countries.

本文对收益分享计划的内涵、产生和功能特点等做了简要介绍，并结合收益分享计划在国外的实践，对相关的理论研究做出归纳与评价。

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Firstly, descriptive structure analysis from two respects, including structure of current situation analysis and lead from industry related angle into the garden and cluster theory analyse of industrial structure.

从两个方面对结构现状进行描述分析，包括产业内部结构分析以及从产业关联的角度引入园区和集群理论分析。

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AIA promulgated the 29th announcement& inventory pricing in 1947, firstly come up with accounting methods of enterprise measuring inventory value can use cost and market value which is lower in standardized manner.

美国会计师协会（AIA）于1947年颁布了第29号公告&存货计价（Inventory Pricing），第一次以规范的方式提出企业计量存货价值的会计方法可以采用成本与市价孰低法。

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The influence of dispersant and PH on the HA slurry was firstly researched in this paper. Combined with MAM free forming tests of scaffold fabrication, it was analysed that solid fraction had effects on the scaffold processing.

浆料的性质决定了支架的成形效果和性能，本文首先研究分散剂和PH值对HA浆料分散体系的影响，并结合MAM自由成形实验分析了固相率对浆料喷射成形性能的影响。

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In this method, we divided the road into linear load and curved road according to the road alignment structure firstly; and then designed different algorithms according to the road alignment structure.

该方法首先根据道路线型结构将道路分为直线型路面和曲线型路面，然后根据不同的路面线型设计不同的处理方法。

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Firstly, it introduces the academic background of the problem researched.

首先介绍了本论题的研究背景和问题的缘起。

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Firstly the variable cutting parameters of spiral rod milling are analyzed to extract the eigenvalue of vibration and power signals. Then the mapping between the signal eigenvalue and the tool wear value is established.

该方法针对螺杆加工中变切削参数的工况，提取了振动信号和功率信号的刀具磨损特征值，并建立了信号特征值与刀具磨损量之间的映射关系，从而得到刀具磨损模型。

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In this paper firstly the corona pulse current is theoretically researched;

首先对电晕脉冲电流进行了理论研究；

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Firstly this paper introduced the principle of Fisher linear discriminant function, and then present the Subspace LDA algorithm which project the data that is in high dimension space to eigenspace that is in low space and then maximize discriminant coefficient.

本文介绍了Fisher线性判别准则原理和实现过程，然后引入Subspace LDA方法，用PCA将高维图像数据投影到低维的特征脸空间，再用LDA最大化判别系数。

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