• If the vehicle in the unfortunate circumstances of a collision, has to be able to maintain the security of the hydrogen which means more mass, which means a lot of the efficiency is being squandered What's the environmental impact of hydrogen production?

    如果车辆,在碰撞中发生了不幸,要仍然能够保持氢气的安全性的话,意味着需要更多的质量,也就是说大部分效率被浪费了,制氢对环境有什么影响呢?

    麻省理工公开课 - 固态化学导论课程节选

  • in order to be able to distribute it on a mass scale. You needed a company of, with a lot of capital,

    为了能够大规模发行。你需要一个有很多资金的公司,

    音乐市场的变化 - SpeakingMax英语口语达人

  • This spring is getting squashed on either side, and it'll squash by certain amount x, that depends on your mass, and that x will be turned into a motion of a needle and that'll read your mass.

    这个弹簧两边都会受到压缩,压缩量为 x,它由你的质量决定,x 会转换成指针的运动,你从而可以读数

    耶鲁公开课 - 基础物理课程节选

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