Here is a question about this article: The current economy of the city is basically newly developed based on the past. Service industries are dominating, accounting for about 60 percent of the GDP of the city, and financial industry, culture industry and tourism industry are top 3 of them. Industries of information technology, energy saving and environmental protection, new energy, smart power grid and intelligent equipment manufacturing have become pillar industries. Big private firms include Suning, Yurun, Sanpower, Fuzhong, Hiteker, 5stars, Jinpu, Tiandi, CTTQ Pharmaceutical and Simcere Pharmaceutical. Big state-owned firms include Panda Electronics, Yangzi Petrochemical, Jinling Petrochemical, Nanjing Chemical, Nanjing Steel, Jincheng Motors, Jinling Pharmaceutical, Chenguang and NARI. The city has also attracted foreign investment, multinational firms such as Siemens, Ericsson, Volkswagen, Iveco, A.O. Smith, and Sharp have established their lines, and a number of multinationals such as Ford, IBM, Lucent, Samsung and SAP established research center there. Many China-based leading firms such as Huawei, ZTE and Lenovo have key R & D institutes in the city. Nanjing is an industrial technology research and development hub, hosting many R & D centers and institutions, especially in areas of electronics technology, information technology, computer software, biotechnology and pharmaceutical technology and new material technology.
What is the answer to this question: Companies such as Ford, IBM, Lucent, Samsung and SAP have built what in Nanjing?
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So... research center

Here is a question about this article: The French breech-loading rifle, the Chassepot, had a far longer range than the German needle gun; 1,500 yards (1,400 m) compared to 600 yd (550 m). The French also had an early machine-gun type weapon, the mitrailleuse, which could fire its thirty-seven barrels at a range of around 1,200 yd (1,100 m). It was developed in such secrecy, that little training with the weapon had occurred, leaving French gunners with no experience; the gun was treated like artillery and in this role it was ineffective. Worse still, once the small number of soldiers who had been trained how to use the new weapon became casualties, there were no replacements who knew how to operate the mitrailleuse.
What is the answer to this question: Treating the mitrailleuse like what rendered it far less effective
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So... artillery

Here is a question about this article: Because sexual orientation is complex and multi-dimensional, some academics and researchers, especially in queer studies, have argued that it is a historical and social construction. In 1976, philosopher and historian Michel Foucault argued in The History of Sexuality that homosexuality as an identity did not exist in the eighteenth century; that people instead spoke of "sodomy," which referred to sexual acts. Sodomy was a crime that was often ignored, but sometimes punished severely (see sodomy law). He wrote, "'Sexuality' is an invention of the modern state, the industrial revolution, and capitalism."
What is the answer to this question: What was a crime in the eighteenth century that could cause severe punishment but was mostly ignored?
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So...
Sodomy