relatively constant position相对: opposite; face to face恒定: constant位置: seat; place; location; site血量的相对恒定: homeostasis of blood volume恒定位率: cbr; constant bit rate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:相对恒定位置,即可在微信中查询翻译