常見(jiàn)例句雙語(yǔ)例句The coordinate reference datum on which precision GPS survey is based, is ITRF International Terrestrial Reference Frame that IERS offers.高精度GPS測(cè)量所依據(jù)的坐標(biāo)參考基準(zhǔn)，是由IERS所提供的ITRF國(guó)際地球參考框架。This paper approaches the reference datum of GPS and electronic map from concepts model, and analyses the basic relations of coordinate transformation.從概念模型的角度探討了GPS和電子地圖的參考基準(zhǔn)問(wèn)題。The temporary holder includes an alignment tool and singulated die are placed onto the temporary holder by abutting the physical reference datum against the alignment tool.該臨時(shí)固定器包括對(duì)準(zhǔn)工具，而切割的裸 片通過(guò)將物理參考基準(zhǔn)對(duì)著對(duì)準(zhǔn)工具對(duì)接而放置在臨時(shí)固定器上。ip.com 返回 reference datum