美国宇航局近期公布了这张由火星漫游者罗孚自主拍摄的照片。 这是教会老罗孚玩新把戏最好的证明。
Proving that you can teach an old rover new tricks, NASA recently unveiled this image--the first taken autonomously by the Mars rover Opportunity.
结果表明：新指标能很好的评价改性沥青的高温、低温和温度敏感性能，路孚8000对沥青各项性能改善明显。
Results indicated that new indexes can appraise the performances of modified asphalt effectively and Lufu8000 is a preferable additive.
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