This paper made a comparison of extracting antigen of S. Mutans by three groups of protein isolation solution under different time and temperature.

本文对三组不同组分的蛋白解离液在不同温度和时间对变链球菌细胞表面蛋白抗原的提取进行了比较。

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The fracture tectonic system in Shanghai area is mainly formed by three groups of main fractures in North-East, east-west and north-west directions.

上海地区的断裂构造系统主要是由北东向、东西向和北西向三组主干断裂组成。

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Based on my fieldwork materials, I try to analyze the different cultural practices during the consumption process to Shanxi traditional furniture by three groups.

以田野调查材料为基础，对三个消费群体在山西传统家具消费过程中的不同文化实践进行分析。

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It was based on three separate studies by a partnership of government agencies and environmental groups.

VOA: special.2009.05.12

Three years ago efforts to overhaul immigration failed, despite massive protest rallies across the country by immigrant-rights groups.

VOA: standard.2010.04.12

The president signed the legislation at a ceremony in the White House Rose Garden surrounded by members of Congress and representatives of health advocacy groups including three children from an organization called "The Campaign for Tobacco Free Kids."

VOA: standard.2009.06.22

To determine which services qualify as preventive, government officials relied largely on existing recommendations by three groups, including the U.S. Preventive Services Task Force.

WSJ: White House to Unveil List of Free Preventative Services

Indeed, a new effort announced on September 23rd by three groups, including the United Nations Global Compact, is intended to help companies see human rights as a business issue that they need to incorporate into their thinking.

ECONOMIST: Companies and human rights

The extraordinarily sudden success, if that is the right word, of the social media campaign by three American advocacy groups aimed at shining a big spotlight on the notorious Ugandan rebel leader Joseph Kony has prompted some scathing reactions from plenty of well-informed quarters.

BBC: Joseph Kony campaign under fire