lobe正弦: sine半周: semi-cycle; semi-revolution ...正弦半波: half sinusoid; half-sinusoid正弦的半周: lobe正弦半波冲击脉冲: half-sine shock pulse下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:正弦半周，即可在微信中查询翻译
