dead-reckoning latitude积: amass; store up; accumulate算: calculate; reckon; compute; ...纬度: latitude推算纬度: estimated latitude估计纬度推算纬度: estimated latitude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:积算纬度，即可在微信中查询翻译
