What is the translation of " 进行了研究 " in English?

• conducted research
• are studied
• conducted a study
• have been studied
• are investigated
• carried out research
• undertook research
• have examined
• performed studies
• undertook a study
• have researched

Examples of using 进行了研究 in Chinese and their translations into English

对生产工厂、其产能、产量和收入进行了研究。
Production plants, their capacities, production and revenue are studied.

全球，地区和当地的气候进行了研究。
World, regional, and local climates are investigated.

不同的燃料处理和燃料产品利用的环境问题进行了研究。
Environmental aspects of different fuels processing and fuel products utilization are studied.

主题（2出3个主题进行了研究）.
Themes(2 out of 3 themes are studied).

探索和观念共享的年龄进行了研究。
The Age of Exploration and the sharing of ideas are investigated.

他还对摄影进行了研究。
He also carried out research into photography.

研究小组还对人类肿瘤进行了研究，以得出结论。
The team also performed studies on human tumours to arrive at their conclusions.

各种纯数学，力学和统计专题进行了研究。
A variety of Pure Maths, Mechanics and Statistics topics are studied.

和其他经济系统进行了研究。
And alternative economic systems are studied.

对10个站点的岩土特征进行了研究。
The geotechnical properties from 10 stations were studied.

对23个地点总共39种大型无脊椎动物属进行了研究。
A total of 39 macro-invertebrate genera from 23 locations were studied.

进一步对其中4例进行了研究。
From these, 4 TS cases were investigated further.

我们对工人阶级进行了研究。
We have research on the working class.

本文进行了研究和写作部分老兵的遗产计划。
The paper was researched and written as part of the Veterans Legacy Program.

报告对历史状况进行了研究,提供了全面的分析。
The report has studied historical status to provide a comprehensive analysis.

台湾进行了研究。
The research was conducted in Taiwan.

因此，我进行了研究并参加了各种组织。
I then continued my studies and worked in various organisations.

他们还对12人进行了研究，看到了类似的结果。
They also studied 12 humans and saw similar results.

了解我们如何进行了研究。
Describes how we carried out the research.

进行了研究和开发，以改进OSS和操作。
Research and development took place to improve the OSS and operations.

幸运的是，科学家对此进行了研究。
Fortunately, researchers have studied this.

该图书馆里的学者对整个宇宙进行了研究。
The scholars of the library studied the entire Cosmos.

随后，Friedman[2]也对收入流动性进行了研究。
Subsequently, Friedman[2] also conducted a research on the mobility of income.

她拾取了它并进行了研究。
She picked up and studied it.

在LucreciaPaim中心妇产医院（省立医院）进行了研究.
Study carried out at Lucrecia Palm Central Maternity, Provincial Hospital.

威尔士和同事用两组老鼠来进行了研究。
Weinberg and his colleagues studied two groups of mice.

在IEMv10.1中对两种情况进行了研究。
In WP1 two case studies have been conducted.

这个美国小组对牙买加的183个舞者进行了研究。
The US team studied 183 dancers in Jamaica.

经济学家对此进行了研究。
Economists have studied this.

然而，一些独立机构对百草枯在这方面的应用进行了研究。
However, independent bodies have studied paraquat in this use.