As navigator, Lovell took with him a sextant to take star readings - in case the computers failed and they had to find their own way home.
“技防”还是不如“人防”
。爱思助手下载最新版本对此有专业解读
Tony Jolliffe/ BBC News
（一）包含两个以上涉及不同税率、征收率的业务；，更多细节参见搜狗输入法下载
Трамп высказался о непростом решении по Ирану09:14，这一点在heLLoword翻译官方下载中也有详细论述
Платон Щукин (Редактор отдела «Экономика»)