To describe different phenomena, physicists use various units.
为了描述不同的现象，物理学家使用不同的单位。
Representatives from various units have put forth several Suggestions.
许多单位的代表提出了一些建议。
This electric control system is used for harmonizing various units to work.
本机电气控制部分用于实现各个装置的协调工作。
This electric control system is used for harmonizing various units to work.
本机电气控制部分用于实现各个装置的协调工作。
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