firstly 高考四级六级

You should gather yourself together firstly under conditions of great danger.

在极其危险的情况当先控制住自己。

Firstly, an analysis on the jurisprudent basis of the freedom of association is necessary.

首先，研究结社自由就有必要对结社自由的法理基础进行探讨。

Firstly, the method of dissociating erythrophores from Xiphophorus helleri was developed.

首先，本试验建立了红剑（Xiphophorus helleri）红色素细胞的分离和培养方法。

This paper firstly deduces the recurrence formula of plastoelastic structure dynamic analysis.

本文首选推导了弹塑性结构动力时程分析的递推公式。

This paper firstly introduces the theory of normalization and denormalization in logical design of database.

文中首先论述了数据库逻辑设计中的关系规范化与反规范化的问题。

Firstly,the self-swash dust catcher with the unique overfall device was adopted to dedust,desulfate and denitrogena...

此类装置还可用于矿山、化工和建材等领域中的湿法除尘。

Firstly, I arranged the time properly, adjusting rest time, study time and sportful time.

首先，合理安排时间，调整好息时间，分配好学习、工、娱乐的时间。

Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.

首先，以甲苯和乙酸酐为原料，在催化剂三氯化铝存在合成对甲基苯乙酮，并确定甲苯，乙酸酐和三氯化铝的最佳摩尔比为4: 1: 2，收率为86.2%。

Three-dimensional flow field in the elutriator of polythene packed system is simulated based on the standard k-e model provided by FLUENT, is studied firstly to improve the separation efficiency.

为进一步提高聚乙烯粒料包装系统淘析器的分离效率,对系统内气相流场进行了研究和分析。

To change the status, based on the former research achievement, we firstly tried to apply the monitorial system to the microteaching, and on which we designed the microteaching model.

为了改变这一状况，笔者尝试着将导生制引入到微格教学当中，并在借鉴人研究成果的基础上，设计出了基于导生的微格教学模式。

Prostate drug, It is developed by AstraZenca Internatioal,and it is the first antiandrogen non-corticosteroids drug for long-acting oral medication and firstly go on the market in 1995 in UK.

8 用Usage：腺治疗药，最早由阿司利康公司开发的长效的口服非甾体结构的抗雄激素药物，1995年在英国首次上市。

The constructed solving process is to establish a general SBR model firstly, then to derive the suboptimum solution by trial and error method with the help of simulation tools.

所构造的解法是首先建立通用的序批式反器模型;然后借助仿真工具试差求取次优解。

Firstly, there are two types of winding patterns for toroidal vessel: spiral winding along toroidal vessel geodesics and analogous sine placement along the external surface of toroidal vessel.

首先，环形容器缠绕线型主要有两种类型：沿稳定测地线的螺旋缠绕和类似正弦外包罗铺放。

In normal condition , the increase in the level of ADH in plasma firstly induces the effect of antidiuresis,and only when its level increases definitely ,the BP increases.

正常情况，血浆中ADH浓度升高时首先出现抗利尿效，当其血浆浓度明显升高时，才引起血压升高。

The feasibility of roasting reduction method to dezinc the Zn bearing BF dust was proved by energy spectrum analysis and differential thermal(DT) and thermo gravimetric(TG) analysis firstly.

通过能谱、差热及热重分析等验证了用还原焙烧的方法脱除高炉含锌粉尘中锌的可行性。

Hereinto, the numeralization of 3D prototype is the firstly important process.The accuracy of the objects’ numeralization will influence the quality of the digital reconstruction of the objects.

三维原型的数字化技术是逆向工程中的首要环节，其得到的原型数据精度将直接影响到重建模型的质量。

Firstly,the paper utilizes kernel principal component analysis method to realize reduce the dimension of the input vectors and orthogonalize the components of the input vectors.

首先利用核主元分析实现输入变量的降维和去相关,然后运用小波神经网络建立预测模型。

In this paper, ACO algorithm is reviewed by and large.Firstly, the corresponding principle of biont and the implementing framework for ACO algorithm are introduced simply.

摘要本文首先简要地介绍蚁群优化算法的来源、对的生物原理和算法实现的框架。

He firstly consulted with the Ministry of Agriculture on fish inspection, but suffered their dodgery;he couldn't find any authority for the testing at all.

他先是向农业部咨询验鱼的事情，可却遭到他们的推托，根本就找不到化验的权威机构。

The principal of wavelet denoising is introduced and the replicability of GPS multipath effect in dynamic environment is discussed firstly.

介绍了小波滤波去噪的原理并讨论在动态环境GPS多路径效的重复性问题。