{ "@metadata": { "authors": [] }, "math_failure": "譯不成", "math_syntax_error": "語法有誤", "math_unknown_error": "未知之誤", "math_unknown_function": "未知函式", "mw_math_mathml": "實驗者,堪為則作MathML。", "mw_math_source": "TeX依舊,純文覽器適也。", "prefs-math": "數學" }