几何学jǐhéxuéTop 30000Meanings1. geometryCharacters used几how many何what学to studyExamples1如果说rúguǒshuō几何学jǐhéxué是shì空间kōngjiān的de科学kēxué，那nà时间shíjiān的de科学kēxué是shì什么shénme？If geometry is the science of space, what is the science of time?