英语词汇“principal function”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	principal function
释义	principal function principal function [′prin·sə·pəl ′fəŋk·shən] (mechanics) The integral of the Lagrangian of a system over time; it is involved in the statement of Hamilton's principle.
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