分析了广州液化天然气的前期气源和潜在气源，探讨了燃具基准气的选取。
The preceding and potential LNG sources in Guangzhou City are analyzed, and the selection of reference gas for gas appliance is discussed.
以12t基准气华白数配气得到的掺混气可以替代天然气作为补充气源或应急气源。
The gas mixture prepared according to Wobbe index of 12t reference gas can replace natural gas as a supplemental gas source or emergency gas source.
经济低迷正在抑制市场对石油和天然气的需求，导致基准原油价格跌破每桶50美元。
The economic downturn is drying up demand for oil and natural gas, dropping the benchmark price for a barrel of oil to below $50.
同样地在石油与天然气行业，公开基准排放量的报告是非常必要的。而目前没有几个国家要求公开石油和天然气运作中的详细而准确的数据。
Likewise in the oil and gas sector open transparent reporting on baseline emissions is required, as currently few nations are requiring oil and gas operations to report accurately all leakage.
同样地在石油与天然气行业，公开基准排放量的报告是非常必要的。而目前没有几个国家要求公开石油和天然气运作中的详细而准确的数据。
Likewise in the oil and gas sector open transparent reporting on baseline emissions is required, as currently few nations are requiring oil and gas operations to report accurately all leakage.
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