China's Mars exploration mission aims to achieve surrounding, landing and patrolling at one time, which has never occurred in foreign countries. There was one time of surrounding and landing before in foreign countries, but the landing failed.
我国的火星探测任务要一次实现环绕、着陆、巡视，这种形式在国外是从没有过的，国外曾拟一次实现环绕和着陆，但着陆失败了。