原因是这样将进行一次完全刷新(full refresh)，并且应用过程使用INSERTS而不是使用复制表来自动填充空表。
The reason is that this way a full refresh will be made, and the empty tables will be populated automatically by the apply process using INSERTS instead of using the replication tables.
这些输入名称可能看上去有些怪异，但是通过以这种样式构造名称，PHP将自动创建“inventory”数组，并且填充了名称-值对。
Those input names may look weird, but by structuring them in this fashion, PHP will create the "inventory" array automatically, complete with name-value pairs.
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