China will launch Mars probe this year.

中国今年将发射火星探测器。

1971 - Mars probe program: Mars 2 is launched by the Soviet Union.

1971年的今天，火星太空探测船计划：苏联发射了火星2号。

It plans to launch the first Mars probe by 2020 to carry out orbiting and roving exploration.

2020年发射首颗火星探测器，实施环绕和巡视联合探测。

The Chinese government has also indicated today its desire to launch its first Mars probe by 2020.

今天，中国还表示希望在2020年发射第一个火星探测器。

China is planning to launch a Mars probe in 2020 to carry out an independent exploration of the Red Planet.

中国计划于2020年发射火星探测器，对这颗红色的星球进行自主探索。