When traveling abroad, it is very necessary to bring some foreign currency with you.
去国外旅行时候，随身携带一些外国货币是很有必要的。
So, it is very necessary to do deep research on it.
所以，对空隙率波的深入研究是非常必要的。
So it is very necessary to study on the unemployment .
因此，研究失业问题是非常必要的。
So it is very necessary to research on pedestrian system.
在这种情况下，进行步行系统的研究，很有必要。
It is very necessary to study the jamming methods to PD radar.
研究和探讨对PD雷达的干扰方法是非常必要的。
So it is very necessary to research the restricted multivariate regression model.
因此研究带约束的回归模型是十分必要的。
However, the art of court debate is very necessary to the success in court debate.
然而，要获得法庭论辩的成功，就要掌握法庭论辩的艺术。
It is very necessary to focus a deeper study on Strategy Environmental Impact Assessment.
进一步研究战略环境影响评价是完全必要的。
It is very necessary to make a cool and neat appearance of you whenever you go in front of that girl.
保持外表干净、帅气：不论是不是要去见心仪的女生，保持干净、帅气的外表对男生来说都是很重要的。
Bsaed on these problems, it is very necessary to take the relative measures of anti-interference.
基于这一情况，采取相应的抗干扰措施是完全必要的。
Hence it is very necessary to extract targets especially line targets from remotely sensed images.
因此，研究从遥感影像提取目标特别是线性目标是十分必要的。
It is very necessary to make sure that the carbon brushes stay in good contact with the commutator.
确定一下碳刷与换向器是否保持良好的接触，是非常必要的。
To maintain fiscal certain proportion is very necessary to expand debt scale and to reduce debt risk.
保持财政份额的一定比例，对于扩大发债规模，降低债务风险是十分必要的。
So it is very necessary to exploit a practical CAD system for panel trimming and punching die design.
所以，针对覆盖件开发一套实用的修边冲孔模cad系统无疑是十分必要的。
To provide better information for clinical use, it is very necessary to match many OFIs as a big one.
为临床诊断提供丰富信息的需要出发，进行多幅眼底图像的拼接是必要的。
These phenomena produce that it is very necessary to monitor the operators' finance done by investors.
这些现象表明加强出资者对经营的财务监督是十分必要的。
Therefore, it is very necessary to evaluate reliability and economic worth of distribution power system.
因此对配电系统进行可靠性和经济效益评估是十分必要的。
It is very necessary to do function word study because it is one of the most important ways of Chinese grammar.
虚词是汉语最重要的语法手段之一，加强虚词研究是很必要的。
It is very necessary to have a lively class atmosphere in teaching, which makes study a happy experience of life.
提出建立快乐的课堂氛围对教学是非常必要的，它使学习成为一种快乐的人生体验。
Therefore, it is very necessary to investigate the relation between organization culture and organization efficiency.
因此，探讨组织文化与组织效率的关系是很有必要的。
During the process of teaching and learning Computer Interface Technology course, it is very necessary to do experiments.
在计算机接口技术课程教与学的过程中，实验是必不可少的。
To support design for manufacturing quality, it is very necessary to manage manufacturing quality information effectively.
为了给面向制造质量的设计提供全面支持，需要对制造质量信息进行有效管理。
Therefore, it is very necessary to study the competitiveness of port logistics from the perspective of international trade.
因此，从国际贸易的角度研究港口物流的竞争力就十分必要。
It is very necessary to measure the pattern and parameters of the bending in automatic rectification and product inspection.
锻件弯曲形态和参数的检测，不论是对于实现矫直过程的自动检测还是产品检验都是十分必需的。
So, it is very necessary to strengthen financial risks' control and reduce regional economic harm brought by financial risks.
因此加强区域内的金融风险控制，降低金融风险对于区域内经济的损害很有必要。
So it is very necessary to change the present situation with the aid of advanced tourism marketing concept and marketing methods.
因此，有必要借助一些先进的旅游营销理念和营销手段改变目前桂林旅游的不利局面。
So it is very necessary to change the present situation with the aid of advanced tourism marketing concept and marketing methods.
因此，有必要借助一些先进的旅游营销理念和营销手段改变目前桂林旅游的不利局面。
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