dead reckoningintegrationreckoning积: amass; store up; accumulate算: calculate; reckon; compute; ...积算法: integration method积算器: integrator积算球: integrating sphere; ulbricht sphere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,即可在微信中查询翻译