You do this by providing a "switch load library" file in the MQ installation tree.

可通过在MQ安装树中提供“交换加载库”文件来达到此目的。

youdao

For large tree data sets you probably want to only load the necessary data for the visible nodes of the tree. When a user expands a node, it starts to load the children of that node.

对于较大的树型数据集，您可能只想加载可见树节点的必要数据，当用户展开一个节点后再记载该节点的子节点。

youdao

When a user clicks on one of the nodes in the example, the tree will ask the store to load the item and the store will request the resource.

在本例中，当用户点击其中一个节点时，树将请求存储库加载条目，存储库将请求资源。

youdao

For example, the density of wood in a palm tree trunk varies, depending on the load it must support.

FORBES: MIT Architect Plans to Print Her Own Buildings

For now, non-iOS users must load their tickets though a mobile site in order to save a tree or two.

ENGADGET: Amtrak readies conductors to trade in their hole punchers for iPhones