The testing of PDRT include Load Monitorefficiency and Distributed-Bus Monitor quality, and the bus usage can be described by some parameter about the bus use ratio and the bus burthen.
Agronomists are beginning to devise tools to help monitor the efficiency of water use.
农业学家们开始设计工具，帮助监测水的使用效率。
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Check out the power Hog, an adorably pig-shaped power monitor that introduces kids to energy efficiency (and general thriftiness) by piggybacking upon the familiar format of the piggy bank.