It is what Scriptaculous calls a combination effect: it USES a combination of the library's core effects. (You could use numerous other effects as well.)

Scriptaculous把这样的效果称为组合效果：它使用库的核心效果的组合(也可以使用许多其他效果)。

youdao

youdao

The effects of new analytical tools developed in the 1970s spread out from the profession's core like a shockwave.

在1970年代形成的新的分析工具的影响，似冲击波一般从经济学专业的核心向外扩散。

youdao

The urgent needs for evolution increases damaging effects of the three-headed open core model.

FORBES: Can Hadoop Survive its Weird Beginning?

Outside these core areas, and at lower altitudes, the culture and farming practices of mountain people can have profound effects on local ecology, making the effects of climate change difficult to distinguish from those directly due to human activities.

UNESCO: 83e

However, in order to provide a complete picture of our recurring core business operating results, we exclude from non-GAAP net income and non-GAAP EPS the tax effects associated with SBC.

ENGADGET: Google's Q4 2011 results: $2.71 billion profit, $8.13 billion in revenue, Wall Street disappointed