Let me give another example to illustrate this difficult point.

让我举另一个例子来阐明这个难点。

The teacher gave us an explanation of the difficult point.

老师向我们清楚地解释了这个难点。

Vocabulary is the basic and difficult point for English learner.

词汇是英语学习的基础和难点。

Reading is both the key point and difficult point in English study.

英语阅读是英语学习的重点和难点；

The tense teaching is a difficult point in English grammar teaching.

英语语法教学中时态的教学是一个难点。

The automatic mechanism is the key and difficult point of gun development.

自动机是火炮研制的关键和难点之一。

Mode analysis is a difficult point in teaching about basic music theories.

调式分析是音乐基础理论教学中的一个难点。

I hit a difficult point in my work, and decided it was time for a cup of tea.

我在工作中遇到了一个困难，因此打算先喝杯茶休息一下。

English listening comprehension is the most difficult point in English teaching.

英语听力理解是当前大学英语教学中的难点。

How to improve listening comprehension is a difficult point in college English teaching.

如何提高听力水平是大学英语教学中的一个难点。

The critical and difficult point of sample handling is sample dehumidifying and dedusting.

在线样气处理技术的重点和难点是样气的除湿和除尘处理。

Identifying gradual change in video sequences is the difficult point in video shot cut detection.

如何识别镜头渐变是视频分割中的难点。

Difficult point of organizing construction project and controlling construction stage are discussed.

论述了工程组织的难点，工程各项目实施阶段的控制。

This had been under many real estate development enterprise eager concern, is hot and difficult point.

这一直倍受众多房地产开发企业的热切关注，即为热点又是难点。

The position adjustment is both a key technology and difficult point for control of the ducted fan UAV.

涵道风扇无人机的姿态调整是其控制的一个关键点也是一个难点。

Fitness function's building is the most difficult point in GA-based automatic test creation algorithms.

在基于GA的自动组题算法中，构建适应度函数是最大的一个难点。

Therefore, the teaching of spoken English is the key and difficult point in the tourism English classes.

因此，英语口语教学既是旅游英语课堂教学的重点，又是旅游英语课堂教学的难点。

Infinite integral is a type of improper integral in calculi, and it is also a difficult point in integral.

无穷限积分是微积分学中广义积分的一种类型，是积分知识的一个难点内容。

The non-tone quality phoneme is an important and difficult point in he teaching and coaching of Putonghua.

非音质音位的教学与辅导是普通话教学中的一个重点和难点。

I see. You mean that this imbalance and almost one-way traffic in understanding is the most difficult point.

我明白了，你的意思是说最大的难点在于这种理解上的不平衡以及近乎单行线的状况。

Therefore, the stability of machining thin-walled parts is always a difficult point in high-speed machining.

因此，薄壁零件的切削稳定性一直是高速切削加工领域内的一个难点。

The prediction of reservoirs is a key point as well a difficult point in exploration for subtle petroleum accumulations.

在隐蔽油气藏勘探中，储层预测既是关键点又是难点。

The computation of utilizable water resources volume is always a difficult point in regional water resources evaluation.

水资源可利用量计算一直是区域水资源评价中的难点。

It is a difficult point to teach the students solving the wave equation on finite interval by the reflection law of the wave.

用波的反射原理求解有限区间上的波动方程是数学物理方程中的基本内容，也是教学中的难点内容。

The diagnosis of compound fault is always a difficult point, and there is not an effective method in equipment diagnosis field.

在设备故障诊断领域，复合故障的诊断一直是一个难点，缺乏行之有效的诊断方法。

As a basic, important and difficult point, vocabulary mastery is of great significance in the process of learning and using ESP.

专门用途英语(esp)学习及应用中，词汇的掌握是基础，也是要点和难点，起着举足轻重的作用。