Pinyin Dictionary results for "zheng xian"

正弦
sine (of angle), written sin θ
争先
to compete to be first; to contest first place
正弦定理
law of sines
正弦形
sinusoidal (shaped like a sine wave)
正弦波
sine wave; simple harmonic vibration
争先恐后
striving to be first and fearing to be last (idiom); outdoing one another
Dictionary data provided by CC-CEDICT