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的目标让正确配对在字典里得到较高相对分数：","sha256":"79a0a26dc6514efcd45358f57af8c7edf10791af520dcf9fc0571f7d5bff4367","chapter":{"id":"course","title":"源场景"},"unit":{"id":"notebook-blocks/8db40ec3f2d94edfb04870b169e18a55","title":"源场景"},"page":{"id":"reading-opening","title":"源场景","number":1},"sectionTitle":"源场景","currentQuestion":"源场景","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-0ed41354943b1fc1bd7aec1f","nextBlock":"b-8cd1c3cb300d6104ec247b85","prerequisites":[{"id":"b-338bb826a99d5324bff25917","url":"#b-338bb826a99d5324bff25917","role":"section-title"},{"id":"b-34c531e68630600b5a435a9b","url":"#b-34c531e68630600b5a435a9b","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-8cd1c3cb300d6104ec247b85","type":"p","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/8db40ec3f2d94edfb04870b169e18a55.html#b-8cd1c3cb300d6104ec247b85","content":"$\\ell=-\\log\\frac{\\exp(q^\\top k^+/\\tau)}{\\exp(q^\\top k^+/\\tau)+\\sum_{k^-}\\exp(q^\\top k^-/\\tau)}.$","sha256":"eb72beb8e84de9ca3757fe53cf2401208fa2720a7d836a45a86322915aa7675f","chapter":{"id":"course","title":"源场景"},"unit":{"id":"notebook-blocks/8db40ec3f2d94edfb04870b169e18a55","title":"源场景"},"page":{"id":"reading-opening","title":"源场景","number":1},"sectionTitle":"源场景","currentQuestion":"源场景","sourceSlides":[],"knowledgeBlock":null,"formulas":[{"latex":"\\ell=-\\log\\frac{\\exp(q^\\top k^+/\\tau)}{\\exp(q^\\top k^+/\\tau)+\\sum_{k^-}\\exp(q^\\top 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