Continental plant remains as source materials for petroleum is the main topic of discussion.

The convertibility of currency is a main topic of the international monetary system.

货币自由兑换即货币可兑换性，是指一种货币兑换成别种货币或支付手段的能力。

CONCERNS Attention Nowadays the English language has been a main topic of much discussion in China.

英语在今日的中国备受关注。

Let's come back to the main topic: how is the world's economic situation today?

让我们言归正传，回到主题上：今日的世界经济形势如何？

In the development environment model, the design and implementation method of reconfiguration software is the main topic;

在该模型中分别对嵌入式人机界面的运行环境和开发环境进行了详细论述。在开发环境中主要介绍了组态软件的设计和实现方法。

Temporal Reasoning is a main topic in artificial intelligence.

时序推理是人工智能领域的主要课题之一。

Mid-term Comprehensive Reform Summary of Major City Economic System A Main Topic of the Nation

中心城市经济体制中期综合改革纲要

The main topic of this paper is about steel pipe strapping machine.

本论文主要是围绕钢管打捆机研制开发进行的。

In modern Chinese novels, childhood memory is one of the main topic forms.

在中国现代小说中，童年的回忆是一个主要的主题形态。

Therefore, sandwich system with hysteresis is the main topic studied in this paper.

因此，本文对三明治迟滞非线性系统的建模与控制进行了研究。

All digital implementation of receiver is a main topic on digital communication recently.

接收机的全数字化实现是近年数字通信研究的一重要课题。

It often seemed that the main topic of conversation was food.

谈论的主要话题似乎常常是食物。

Cultural psychology takes the relationship between culture and mind as its main topic.

文化心理学以文化与心理的关系为主要研究内容，对文化与心理关系的重视构成文化心理学的基本特征。

Robust stability analysis and controller design had been the main topic in robust control theory.

时滞系统的鲁棒稳定性分析和控制器设计一直是控制理论研究的主要课题。

The main topic of speculation was where he would stay.

人们猜测的主要话题是奥巴马将住在哪。

The main topic is the scope of the "law" and content.

主要讨论的话题就是法的范围和定的内涵。

Share-holding financial company is a main topic in the financial development research area.

金融控股公司问题是目前我国金融发展研究的主要课题。

It is the main topic and the core contents of this thesis.

这是本论文的主题和中心内容。

The conservation of nature and economic development are the main topic of sustainable development.

自然保护与经济发展是可持续发展的一个主要议题。

The main topic and background of this thesis are also given at last.

本课题的项目背景及主要工作。

Statistical Capacity Building Indicators are the main topic of Chapter Two.

第二章主要研究了统计能力建设指标。