at first的例句大全

The recent research development of this field in the world is introduced at first, the key technical problems of target detection are then analyzed, which include the direct signal suppression, reference signal acquisition, weak target detection, distance ambiguity solution and real time signal processing.

分析实现目标检测必须解决的关键技术，包括直达波抑制、参考信号提取、微弱信号检测、解距离模糊及实时信号处理等。

At first, just considering on the temperature factor, that is, keep the belt speeds constant and just change the temperature.

首先只考虑温度因素，即网带速度不变，只改变温度。

About the static magnetic property, with the temperature increasing, the saturation magnetization increased, at first increasing obviously, and then increasing slowly;

从静磁特性看，样品的饱和磁化强度随着还原温度的升高而增大，开始增加明显，后缓慢增加；

To realize the parameterized module, we build template analysis process at first, then arrange corresponding log document, introduce parameterized variable, and apply program flow control command of APDL such as judgement statement and loop statement.

先建立模板分析过程，然后整理对应的log文件，引入参数化变量，运用APDL的判断和循环等流程控制命令，实现电梯分析系统的参数化模块。

At first he was easily given a piece of work in a bank.

起初他很容易的在一家银行有了份工作。

The governor system, which originated from the Ming dynasty, was a temporary assignment officer at first and then gradually transformed into a permanent local officer. Framework consisted of eight governors and twelve provincial governors were formed in the mid-Qianlong dynasty.

督抚制度起源于明朝，初为临时性的差遣官，以后逐步向常设的地方官转化，到乾隆朝中期形成了八总督和十五巡抚的格局。

Although it sounded kind of ridiculous at first but I thought we should give ourselves some challenges once in a while to test our determination.

最初这个计划虽然听来好像有些荒谬，但我想我们应当给自己一些挑战去考验一下我们的决心。

Construct the classifying device through learning the language material training base at first, then classify the test file.

首先通过对训练语料库的学习构造出分类器，然后对测试文档进行分类。

Main research results are as follows: At first, the religious belief questionnaire includes 27 topics totally, it can explains 58.387% of total variation. And the questionnaire has a better reliability and test validity.

主要的研究结果如下：第一，本论文所编制的宗教信仰问卷共包括27个题目，通过探索性因素分析后发现，这个问卷能够解释总变异的58.387%。

Her husband was sympathetic at first but his patience soon wore thin.

一开始她丈夫还抱以同情，可不久就失去耐心了。

Using the data obtained from a test vehicle, a neural network model of automotive for velocity tracking is developed at first.

利用试验汽车所获得的数据，首先开发出用于车速控制的神经网络模型。

At first study tourist's motive and behavior characteristic from the main body of tourist market& Tourists;

本章首先从旅游客源市场的主体&旅游者出发，研究旅游者动机及其行为特征；

Lincoln was firmly against extending slavery in the territories, but did not seek at first to eradicate the "peculiar institution" altogether.

林肯坚决反对奴隶制在这些地区扩张，但是也并未曾从一开始就全面根除黑奴制度。

The basic theory of stability and the normal ways of calculation are introduced at first.

首先介绍了稳定的基本概念以及网壳稳定计算的常用方法。

Maybe you see low customer participation at first, or conversely, so much success that the cost of recycling becomes too high.

也许你一开始看到的客户参与度很低，或者相反，人们参与太积极使得回收成本过高。

At first it introduces the theoretical connotation of credit ecology, and then studies the judgment standards on good social credit ecological environments. At last concrete countermeasures are put forward to reconstruct harmonious social credit ecological chains.

本文从生态学的视角对信用加以研究，首先介绍了信用生态的理论内涵，其次研究了良好的社会信用生态环境的评价标准，最后对构建和谐的社会信用生态链提出了具体的对策措施。

At first, this paper analyzes the progress of deformation, and then establishes the theoretical mode of the Droplet deposition according fluid mechanical governing equation.

本文首先对熔滴变形过程进行了分析，根据计算流体力学控制方程建立了熔滴沉积的理论模型。

This paper introduces the architecture of DVB_C system and basic theory of QAM modulation and demodulation at first, analyzing and discussing two ways to implement the initial demodulator: simple sequencer and generating native carrier to demodulate.

本文介绍了DVB-C系统的结构和QAM调制解调的基本原理及其系统结构；分析比较了初始解调电路的两种实现方式：产生本地载波进行解调和简单序列解调。

At first he had always consulted Bertha on the conduct of the estate.

起初，他老是找伯莎商量如何经营财产。

This paper introduces the basic theory of stress inspection using ultrasonic at first. The mechanism of the generation of LCR wave is described in detail as well as its application.

本文首先介绍了超声波应力检测的基本理论，重点介绍了LCR波的产生机理及其在应力检测中的应用。