此特性可充当所有字段／非空间数据和几何数据的容器。
The feature acts as a container for all field/nonspatial and geometric data.
在本例中，我填充的是一个表，tr可充当显示每个条目的模板。
In this case I'm filling up a table, and the tr serves as a template for displaying each entry.
Arduino可充当传感器和数据存储器之间的媒介。
The Arduino ACTS as an intermediary between the sensors and your data storage.
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