separatrixn.
'sepəreitriks
中文n. [自] 分界线；分隔号
词根词源
separatrix (n.)line or hooked line used to separate printed figures, originally with numerals and used where modern texts use a decimal point, also in other specialized senses, from Late Latin (linea) separatrix, feminine agent noun from separare (see separate (v.)).
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