firstly的例句大全

Firstly, baculovirus is a key component of insect baculovirus expression system ( BEVS), which is being increasingly used in gene engineering for the research and development of new medicine and vaccines.

首先，杆状病毒是昆虫杆状病毒表达系统的核心部分，该系统已在药物研发、疫苗生产等方面得到广泛应用。

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Firstly, 1 judge the industry belongs to oligarch monopoly market by accounting the "CRn".

首先通过对绝对集中度指标CRn的计算判断中国民航业目前属于寡头垄断型市场结构。

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Firstly, it reviews long-range dependence ( LRD), self-similarity and scaling in network traffic traces.

回顾了在网络业务流轨迹中的长相关（LRD）、自相似和尺度不变性现象；

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Firstly please insert the key into the lockhole, then turn it clockwisely.

5先把钥匙插进锁孔, 然后按顺时针方向旋转.

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Firstly, the paper introduces working and controlling principle of winding drive of NWT system, made in Germany.

介绍了德国进口NWT生产线中卷绕传动部分的工作情况和控制原理；

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Firstly, it was proved that the multistage wiener filter ( MWF) implemented by the correlation subtraction algorithm ( CSA) was a unitary MWF and that the matched filters were equal to the corresponding basis vectors of the rank reducing subspace in the CSA-MWF.

证明了由相关相减算法实现的多级维纳滤波器是一种酉多级维纳滤波器，并且其各级的匹配滤波器与对应的降秩子空间的基向量相等。

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The original research of millennial-scale climate change is carried out in North Atlantic firstly.

关于千年尺度气候变化周期的研究最早起源于北大西洋。

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Firstly produce the parametrization model in I-DEAS making use of programming tool PRG, then divide the finite element grid.

首先在I-DEAS中利用PRG的特点及关键技术给出了参数化驱动的数学模型，并且划分有限元网格。

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Firstly, it describes the direct cause of the events, that is the domestic and foreign policies of George III and his Bute administration.

首先介绍事件发生的直接原因，即乔治三世及布特政府的内外政策。

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Subjective reasons included: firstly, the National Bourgeoisie had glorious revolution tradition.

主观原因包括：民族资产阶级有着光荣的革命传统；

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Firstly the general situation of thrust vector technique ( TVT) research and development is briefly accounted.

首先对飞机推力矢量技术的研究发展概况作了简要介绍；

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Firstly, fat was in excess supply and calcium, thiamin and lactoflavin were in short supply in their diet.

该部官兵脂肪供应过多，钙、硫胺素和核黄素等供应不足。

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Aiming at wheeled WCR ( WWCR) with SSCs firstly, the influence on the motion characteristic under suction force of SSC and variable mass is analyzed.

本文首先针对带SSC的轮式WCR（Wheeled WCR，WWCR），分析了SSC吸附力和WCR自身质量的变化对其运动特性的影响。

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Method ZTP, rotuntine, dolantin and morphine were firstly discriminate by its UV spectrum, then were distinguished by chemical methods.

方法利用紫外光谱扫描初步确定，进一步用化学方法进行鉴别；

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Firstly, the research status of AAVs and fluid flow boiling in domestic and abroad are introduced briefly, and the theory of two phase flow and boiling heat transfer are recommended.

文章首先介绍了国内外对空温式气化器和流体管内沸腾换热的研究现状，介绍了管内两相流和沸腾换热的理论知识。

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Acid bovine neuropeptide ( ABNP) was firstly found in the bovine brain.

首次在牛脑中发现了一种新的酸性牛神经肽。

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To optimize the multiplex RT-PCR, the concentration of primers and annealing temperature were repeatedly tried. Final results showed that a multiplex RT-PCR system to simultaneously detect HLB, CEVd and CTV was firstly established successfully.

就影响多重PCR的主要因素引物浓度和退火温度进行了一系列优化，建立了能同时检测HLB、CEVd、CTV的多重RT-PCR技术体系。

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The issue of the delay-constrained multicast routing under dynamic environment was addressed firstly, and then a delay-constrained dynamic greedy algorithm ( DCDG) was proposed to construct a serial of dynamic multicast trees based on the greedy strategy.

分析了时延约束的动态最小代价组播路由问题，然后基于贪婪思想设计了一个动态组播树生成算法DCDG（Delay-Constrained Dynamic Greedy Algorithm），用于在动态环境下构造时延约束的低代价组播树。

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In accordance with the characteristics of the physical structure and operating mode of distribution power system. the computer system structure model of distributed distribution management system ( DDMS) is firstly built. and by taking the unpredictability of the communication time delay of DDMS into account.

针对配电系统网络结构及运行方式的特点，在给出分布式配电管理系统（DDMS）计算机体系结构模型基础上，考虑DDMS数据信息通信延迟的不可预测性，提出并构造了DDMS潮流分布式异步迭代算法。

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In this paper, a new type salt/ ceramic composite energy storage material ( CESM) is fabricated successfully by applying an innovating technology firstly which is molten Na_2S)_4 infiltrating porous ceramics performs spontaneously.

本文率先采用自发熔融浸渗工艺实现了熔融无机盐和陶瓷预制体的浸渗复合，并成功地制备出Na2SO4/SiO2新型复合相变储能材料。

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