词汇	symmetrical T wave
释义	symmetrical T wave 对称T波
随便看	visibility of a point visibility of a satellite visibility of characters visibility of declaration visibility of fringe pattern visibility of fringes visibility of identifier visibility of interference fringes visibility of interference streak visibility of light visibility of precipitates visibility of satellite visibility on sea sruface visibility point visibility poor visibility problem visibility query visibility radiation visibility range visibility ratio visibility reduction visibility region visibility rule visibility rules visibility scale