In 2007, according to Petroleum Intelligence Weekly, 70% of world oil production was controlled by national oil companies.

2007年，根据石油情报周刊，世界70%的石油生产被国有石油公司控制。

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Video surveillance system has an abroad application in the area of telecom, bank, traffic, electric power, water conservancy, petroleum, intelligence building.

视频监控系统在电信、银行、交通、电力、水利、石化、智能大厦等诸多领域有着广泛应用。

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Petroleum Intelligence Weekly, a leading industry publication, has put forward a controversial proposal: that the majors voluntarily disclose data on all their reserves, broken down field by field across the world.

ECONOMIST: The way oil reserves are booked needs reforming

But this figure masks intervals of less than a year for prized infantry units and specialists such as intelligence experts, petroleum operators and medics.

ECONOMIST: The armed forces