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The ideas and theories of Karl Popper, especially in relation to the philosophy of science.
1960s. From the name of Sir Karl Raimund Popper + -ism.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。