难点

The peper emphasizes on the structure and function of the capper and pin press is used to S42000 economical car s tow piece hand brake , and the technology difficulties and key problems in the testing process.

文章对S42 0 0 0家用型轿车手制动总成上下片封口及销轴压装机的结构、功能等作了介绍，在研制过程中攻克了技术难点及关键所在，保质保量圆满地完成了任务。

Based on a lot of experiments and analysis, this paper brings forward a plan in optimizing carding technics, discusses the working principle of critical positions on this carding machine (Delta random-transfer system and Sigma multi-doffer stripping system) and also points out the developing trend and technical difficulties of high-speed and high-yield nonwoven carding machine in future.

在查阅资料和大量实验分析的基础上，本论文提出了梳理机工艺的优化方案，探讨了梳理机关键部位(Delta杂乱转移部分和Sigma多道夫剥网系统)的工作机理，并指出了未来高速高产非织造梳理机的发展趋势和技术难点。

Of the moonlit night existence technique a little bit difficult carry on the technique to offend the pass.

他表示，目前正对首次地外天体软着陆、突破月面巡视技术、掌握月夜生存技术等主要技术难点进行技术攻关。

How to improve its catalytic activity is one of the difficult points and the hot topics in recent years.

如何提高其催化活性是碳化钨应用研究所面临的主要难点与热点之一。

Cathode design and modification is one of key problems in electrochemical machining.

工具阴极的精确设计与修正是电解加工研究难点之一。

The theory of causality in the field of criminal law has been a controversial problem for a long time.

刑法因果关系，为刑法理论研究的难点问题。

The theory of causality in the criminal law has been a controversial problem for a long time.

刑法因果关系，为刑法理论研究的难点问题。

The reformation is both important and difficult since people know the CEE system from its forms and contents at the very beginning.

高考形式和内容，处于人们认识和接受高考制度的"最前沿"，既是改革的重点，也是改革的难点。

The allocation theory is an important part of CET, and is also a problem with difficulty.

分配理论是积累〓理论的重要组成部分，也是研究的难点。

In this paper, some key problems of engineering chaotic vibration are discussed.

本文针对工程混沌振动的热点和难点问题进行了研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。