正弦波 Save Sign in to save words zhèngxiánbō ㄓㄥˋ ㄒㄧㄢˊ ㄅㄛ sine wave simple harmonic vibration Character by character 正(zhèng)straight 弦(xián)bow string 波(bō)Poland A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0