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In a steam engine,steam at 140°C in a turbine does work on an external system,and the steam leaves the turbine at 100°C.The efficiency of the steam engine is 5%.The relevant physical principle is the __________ law of thermodynamics.
Social Stratification
A system by which society ranks categories of people in a hierarchy based on factors like wealth, income, race, education, and power.
Hierarchical Ranking
A system where entities are arranged in a graded order from lowest to highest based on certain criteria.
Subjective Assessments
Evaluations based on personal feelings, tastes, or opinions rather than on external facts or evidence.
Dominant Ideology
The set of beliefs, values, and norms that are most widely shared within a society, often reinforcing the current social power structure.
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