Correction: Natural gas found in Queensland's coal seams should be able to power a city of 1m people for 5, 000 years, not 1, 000 years as we first stated.

更正：昆士兰天然气探测量应该是足够满足100万人口城市提供5000年能耗，而不是我们开始所写的1000年。

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Correction: Natural gas found in Queensland's coal seams should be able to power a city of 1m people for 5, 000 years, not 1, 000 years as we first stated. This was corrected on June 9th 2011.

更正：在昆士兰煤层发现的天然气能够支撑一个拥有一百万人口的城市五千年的使用量，而不是之前所说的一千年。

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This paper presents a correction algorithm according to the countermark characters of cylinder mark printer and correlation provisions of 《Gas Cylinder Safety Supervision Rules》.

针对钢瓶刻印机的刻印特点和《气瓶安全监察规程》中相关规定提出了一种校正算法。

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