Qum Formatiom with carbonate is mainly exploration aim stratum, the C4 member of Qum Formatiom is mainly production layer.

库姆组碳酸盐岩为主要勘探目的层，其中库姆组c 4段为主要产层。

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Wanxiang is understood to be interested mainly in acquiring Ford's advanced design and production technology, and in improving the prospects for distribution of its Chinese-made car parts in the US.

据悉，万向的兴趣主要在于获得福特先进的设计和生产技术，并希望促进万向的中国制造汽车零部件在美国的销售。

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The money created through credit expansions is used by entrepreneurs to demand factors of production, which they employ mainly in capital-goods industries more distant from consumption.

信用扩张创造的新增货币被用来购买生产要素，并部署到远离消费的资本品工业中。

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The strikes have mainly hit foreign companies. This is causing problems for those manufacturers that shifted production to China to take advantage of lower labor costs and to cash in on the potential consumer market.

VOA: standard.2010.06.24

The Ram ad mainly had better production values, after the company commissioned 10 photographers to grab fantastic photos from fields and barns and rangeland and roadsides across the United States.

FORBES: Chrysler, Farm Site Join Ranks Around Super Bowl 'Farmer' Ad

The world's largest uranium producer claims to be responsible for 16% of the world's production, mainly from its mines in Canada and the U.S. The Saskatchewan-based company expanded production by 17% in the third quarter and is on track to double that by 2018.

FORBES: Magazine Article

But production, mainly by two South African outfits in joint ventures with the Zimbabwean government, continued.

ECONOMIST: Zimbabwe and its diamonds