first的例句大全

The first bobbin lace probably originated in Flanders in the early16th century.

线轴编织花边可能始于16世纪初的法兰德斯。

Through analyzing the radiant point orientation and attack process of the attacker, this paper mainly studies the first attack probability of the level bombing attacker.

通过分析攻击机的辐射源定位/攻击过程，研究了攻击机水平轰炸防空雷达的首攻概率。

The first step is to model the close loop control system of wire bonding force.

两步走的策略被采用：第一步，建立键合力控制系统的闭环模型；

We first form an employee bonus expectation model by the previous bonus data and examine market reactions to unexpected employee bonuses by event study.

本文首先利用过去年度的员工分红资料来建立分红预期模型，并用事件研究法来讨论股价对未预期分红之反应；

Influence of Meteorology on the First Generation of Corn Borer in Shandong Province

山东省气象条件对一代玉米螟的影响

1788-the first English settlers arrived in Australia's Botany Bay to establish a penal colony.

1788年的今天，首位英国移民在澳大利亚博特尼湾建立囚犯隔离区。

Many citizens have their gas charged in this first round of bottled gas price reduction this year.

今年瓶装液化气零售价格的首次降价，让不少市民纷纷前来充气。

Peter Harbison, chairman of the Sydney-based Center for Asia Pacific Aviation says the economic crisis has translated into 30 percent declines in business and first class traffic-hitting hard the bottom line of the air carriers.

位于悉尼的亚太航协中心主席彼得.哈比森说，经济危机让商务舱和头等舱的客流量下降了30%，这让航空公司遭受重创。

For the first time, we make use of thermoluminescence technique to demarcate variegation boulder bed which is the district corresponding period sediment guiding bed, the top appear multilayer ash tuff which have similar thermoluminescence parameter;

首次利用热释光技术标定了杂色砾岩层为区域同期沉积的标志层，其上部出现的多层凝灰岩具有相似的热释光参数；

For a linear bounded operator in finite dimensional Hilbert space, we first introduce the definition of exactly positive and give a sufficient and necessary condition by the way of space decomposition of the operator;

对有限维Hilbert空间的线性算子，引入了恰好正的概念，并利用算子的空间分解，得到了其存在惟一正逼近的充分必要条件；

His paper studies the degree of approximation of bounded function with discontinuity of the first kind and functions of bounded variation of order p by Meyer Konig Zeller operators Mn ( f, x). The result of [ 1] is extended and improved.

本文研究Meyer Konig Zeller算子Mn（f，x），对有界函数和p阶有界交差函数在第一类间断点的逼近度，推广和改进了文〔1〕的结果。

Based on the discrete state equation of the system, the bounded variable simplex method of linear programming ( LP) is first applied to find the control sequences which meet the control constrains, then the cutting plane method is used to deal with state constraints.

在离散数学模型的基础上，首先应用求解线性规划问题的有界变量单纯形方法求出满足控制约束的控制序列，然后再利用割平面方法处理状态约束，以求得满足约束条件的最优控制。

In the first section, this paper establishes the model of computing the consequence of meandering damage of semi-infinite caisson breakwater by combining the expected sliding distance technique and the diffraction model.

本文第一部分将期望滑移量模型和绕射模型结合，建立了计算半无限长沉箱式防波堤在使用期限内蛇行破坏程度的模型。

First, we establish the data items of variational optic flow computation, which can effectively calculate optic flow under six cases, such as brightness constancy assumption, brightness gradient constancy assumption and brightness divergence constancy assumption and so on.

首先建立了变分光流计算的数据项，能有效地计算光亮度不变、光亮度梯度不变、光亮度散度不变等假设前提下光流场计算的6种情形，推导了数据项设计的策略和方法。

First secondary few sons are collected looking at mentality starting, the need analysing children and TV concerns, watching TV is one of the most delighted the children entertainment way, relation growing up healthy and sound with children having interwovenness.

先从儿童收视心理入手，分析儿童与电视的需求关系，看电视是孩子们最喜欢的娱乐方式之一，与儿童健康成长有着密不可分的关系。

First part mainly discusses some questions on the body of bribery crime.

第一部分重点论述了受贿罪主体方面存在的几个问题。

The US imported more tea than the UK last year for the first time, as an increasing number of young American consumers are choosing the brew over coffee.

随着越来越多的美国年轻消费者选择喝茶而不是咖啡，去年美国的茶叶进口量首次超过英国。

In this paper first analyses design calculation for axle curved vane type cyclone breather, then modifies some of the calculation for the vane shape and optimizes the design parameters for the vane shape and gives a brief design calculation.

分析了旋流煤粉燃烧器轴向弯曲叶片型旋流器的设计计算，修改了部分叶形计算，优化了设计参数的选取，提出了叶形主要参数的适配性，整理出了合理简化的计算步骤。

Methods 1680 cases of breast cancer came form the First Affiliated Hospital of Zhengzhou University from 2000 January to 2005 December were analyzed in this study.

方法对郑州大学第一附属医院乳腺科从2000年1月-2005年12月间收治的1680例乳腺癌进行统计分析。

In the preferential positions the men in our experiment select Blue first and Black next, and in a decided manner they show least preferences for Brown and Red.

在实验中，男性最喜欢的是蓝色，其次是黑色，他们也明确表达自己最不喜欢棕色和红色。