One reason space engineers are notoriously conservative is that the costs of failure are high.
太空工程师出了名的保守一个原因是失败的代价太高。
Daily Express reports that British engineers are planning to put a mobile phone in space.
据英国每日快报报道，英国工程师将把智能手机送上太空。
Daily Express reports that British engineers are planning to put a mobile phone in space.
据英国每日快报报道，英国工程师将把智能手机送上太空。
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