应用程序可能需要事务化方法，其中设备将提交更新多个后端系统(而不是单个数据库)的事务。

Applications may instead require a transactional approach where devices submit transactions that update multiple backend systems instead of a single database.

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首先，他为其中一个部门买了新设备。

First, he bought new equipment for one of the departments.

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其中一名学生发明者卡米拉·鲁比奇表示，该设备将植物释放的能量转化为低能级电流，为手机充电。

One of the student inventors, Camila Rupcich, says the device changes the energy released from the plant into low-level power to charge phones.

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