spacing computation跨距: span; spread; spacing; strid ...计算: count; compute; calculate; r ...测距计算机: ranging computer视距计算: stadia computation视距计算表: stadia tables; tacheometric tables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:跨距计算，即可在微信中查询翻译
