... 氮气中乙烯标准气体（standard gas of ethylene in nitrogen） 多元标准气体（multi-component standard gas） 肼类标准气体(Standard hydrazine vapor) ...
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分析了重量法制备氮中多元标准混合气体定值不确定度的来源，其定值的扩展不确定度小于3％。
The source of the certification uncertainty of multi-component calibration gases in nitrogen was analyzed. The uncertainty is less than 3%.
标准化多元线性回归显示温度变化的直接贡献者主要是温室气体，气溶胶的直接贡献很有限。
Standardized multiple linear regression demonstrates greenhouse gases as the primary direct contributor for temperature change, and the direct contribution of aerosols was much less.
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