高空急流提供动力不稳定条件,低空急流是暴雪区水汽的提供者和对流不稳定能量释放的触发者;
The upper-level jet created the dynamic instability condition and the low-level jet played the vapour provider of the snowstorm and the trigger of convective instability energy release.
如果是由宿主提供,那么当解决方案中的项目发生变化时,就会触发事件并通知开发者。
If provided by a host, events will be triggered to inform the developer when items within the solution change.
每个阶段中,路径中的任何元素都可以注册为事件观测者,从而能够触发事件处理程序。
During each phase, any element along the path can be registered as an observer of the event, and can thus trigger an event handler.
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