Electronic information industry is the basic and mainstay industry of economy.

电子信息产业是以信息技术为支撑的高技术产业。

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Yunnan is the province abundant in forestry resource, and the forestry is its mainstay industry.

云南是林业大省，林业是云南的支柱产业。

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"Ya Pear" is a mainstay industry in Yangxin county and it is also the main source of farmers' income.

鸭梨是阳信县农业的支柱产业，农民收入的主要来源。

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Indeed, Mr Deighton believes that the television commercial will remain the mainstay of the advertising industry for years to come.

ECONOMIST: The recession in advertising

That is because natural-gas exports, long the mainstay of the energy industry, are threatened by shale gas in the United States (they have fallen by 5% over the past year).

ECONOMIST: Energy in Canada

These treatments became a mainstay of the nascent biotechnology industry, which started with the founding of Genentech in 1976.

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