What is position, path and speed of advance of tropical storm Ida?
热带风暴“艾达”号位置、路径、生成后速度如何?
The speed and force of the huge waves there make it impossible to know in advance when they are coming.
在那里,巨浪的速度和力量使人们不可能预先知道它们什么时候会来。
Global variables can be used to calculate values in advance of their use and thus speed up performance and reduce complexity in other SQL entities.
在使用全局变量之前,可以使用它们计算变量值,从而可提升其他SQL实体的性能并降低复杂性。
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