她厨房的甲醛气体含量是联邦为化工工人设立的最大值标准的两倍。
The level of formaldehyde gas in her kitchen was twice the maximum allowed by federal standards for chemical workers.
我认为食品标准的两倍。
为了增加效率，新合并的公司通常会选择裁员，国有航空公司恰恰有着大量的员工—每架飞机大约有400个员工，这个数字大约是国际平均标准的两倍。
To increase efficiency, newly merged companies usually cut jobs-and the state-owned airlines, which employ some 400 people per aircraft, roughly twice the international average, have jobs to burn.
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