translation.en: Because we have tested ARES model, several models in a half a dozen wind tunnels at the NASA Langley Research Center for eight years, under Mars conditions.
translation.zh: 因为我们已经测试了ARES模型， 八年中在NASA Langley 研究中心的十几个风洞 的半数中测试了数个模型， 在模拟火星条件下。