zhè / gè / liú / xíng / de / jú / bù / jié / gòu / kàn / qǐ / lái / hěn / fù / zá / dàn / kě / yǐ / yòng / zuò / biāo / tú / lái / miáo / shù这个流形的局部结构看起来很复杂,但可以用坐标图来描述。The local structure of this manifold looks complex, but it can be described using coordinate charts.