子空间 Traditional 子空間 zǐ kōng jiān 🔊 subspace + Review this word Meanings zǐ kōng jiān 子空間 (math.) subspace Its characters 子zǐsonHSK 3空kōngemptyHSK 4间jiānbetweenHSK 2 Words with 子空间 电子空间 diàn zǐ kōng jiān cyberspace