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该设备有两个版本正在开发中。
Two versions of the device are being developed.
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至于气味，重现特殊气味的科技也正在开发中。
For smells, technology to re-create specific odors is being developed.
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此类用来提升云计算技术安全性的技术正在开发中。
Such technologies are being developed to improve the safety of cloud-based computing.
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