One is about the Three-Child Policy, the other is about Mars exploration.

一篇是关于三孩政策，另一篇是关于火星探测。

youdao

China named its first Mars exploration mission Tianwen 1 on April 24, 2020, China's fifth Space Day.

2020年4月24日是中国第五个“航天日”，中国将其首次火星探测任务命名为“天问一号”。

youdao

Nasa's Mars Exploration Rover Spirit detected the carbonate-rich rocks in the Columbia Hills of Gusev Crater.

美国航空航天局的火星探险号飞船在古谢夫陨石坑的哥伦比亚山探测到富含碳酸盐的石头。

youdao

Michael Meyer is lead scientist for NASA's Mars Exploration Program in Washington.

VOA: special.2009.12.30

But earlier,Buzz Aldrin the second man to walk on the moon took part in a NASA news conference where he pushed for a new round of space exploration, with the goal of sending astronauts to Mars.

VOA: standard.2009.07.20

Preliminary results of the Mars exploration by Stargazing viewers will feature in the final programme.

BBC: Call for public to study Mars images

When NASA scientists want to test the capabilities of their Mars exploration vehicles, they come to the Atacama.

FORBES: Andrew Harper's 2013 Hideaway of the Year: Awasi, Chile

At this very hour, the Mars exploration rover Spirit is searching for evidence of life beyond the Earth.

CNN: Bush: 'It is time for America to take the next steps' in space