The heating device in the implants has a resistor and power-receiving coil made of magnesium, and the magnesium is wrapped in 'packet' of silk, keeping it safe and controlling its dissolution time.
植入物中的加热设备有一个电阻器和一个电力接收线圈，线圈是由镁制成的，而镁的外表又包裹了一层丝，这样既保证了安全又控制了其降解的时间。
Besides keeping track of purchasing and internal use over time, there's the problem of choosing between device-based and user-based licensing.
除了跟踪的采购和内部使用，随着时间的推移，有的选择之间基于设备的和基于用户的授权的问题。
The fresh-keeping box not only leads the storage time indicating device to have simple structure, but also is convenient to set storage time.
该保鲜盒不 仅使贮藏时间指示装置结构简单，而且设定贮藏时间时操作方便。
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