Spirit rover

2003-The Spirit Rover is launched, beginning NASA's Mars Exploration Rover mission.

2003年的今天，勇气号发射升空，开始了美国航空航天局的“火星探索漫游”计划。

A Review of Spirit and Opportunity Rover Localization Methods

勇气号和机遇号火星车定位方法评述

Finding unusual rocks is not unusual for Spirit or its twin rover Opportunity, however.

在过去的二年之中,对精神号和机会号探测车来说,找到不寻常的石头是家常便饭.

NASA's stuck Mars rover, Spirit, may be trapped in Red Planet sand, but up until March of this year it was still making important discoveries for the American space agency.

被卡住的美国航空航天局的火星漫游者，勇气号，可能是在火星沙内陷于困境的，可是直到今年三月份，它仍然在为美国航天局进行主要的发现。