问题描述：
英语翻译
各种that,哭了.
The emergence of computationally-enabled sensors and the applications
that use sensor data introduces the need for a software infrastructure
designed specifically to enable the rapid development and deployment
of applications that draw upon data from multiple,heterogeneous
sensor networks.
another one：
These data elements are generated from sensors inside of sensor
networks whose internals can be entirely hidden from participants
in the Hourglass system.
各种that,哭了.
The emergence of computationally-enabled sensors and the applications
that use sensor data introduces the need for a software infrastructure
designed specifically to enable the rapid development and deployment
of applications that draw upon data from multiple,heterogeneous
sensor networks.
another one：
These data elements are generated from sensors inside of sensor
networks whose internals can be entirely hidden from participants
in the Hourglass system.
问题解答：
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