Zài / jí / zuò / biāo / xì / zhōng / zhè / ge / diǎn / de / wèi / zhi / kě / yǐ / yòng / liǎng / ge / shù / biǎo / shì在极坐标系中,这个点的位置可以用两个数表示。In a polar coordinate system, the position of this point can be represented by two numbers.