求翻译：全球埋深浅于2000米的煤层气资源约为240万亿立方米，是常规天然气探明储量的两倍多，世界主要产煤国都十分重视开发煤层气。是什么意思？

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Global buried in shallow coal-bed gas resources of about 2000 meters of 240,000,000,000,000 cubic meters for conventional natural gas reserves, is more than double the 10 countries in the world's major coal output attach importance to the development of coalbed gas.

正在翻译，请等待...

Buried deep in the 2000 meters of coal bed gas resources in the world is about 240 trillion cubic meters, is more than twice times the conventional natural gas proved reserves, the world's major coal countries attached great importance to the development of coalbed methane.