According to contrast index curve model and hyperbolic model results, the power of multi- Item type prediction accuracy is higher than the latter two.

对比指数曲线模型和双曲线模型的结果可知，幂多项式模型的预测精度均高于后两者。

youdao

Good enough, but about all you can do with this structure is set and retrieve elements by individual (multi-dimensional) index. In contrast, a Numarray array is a bit more flexible.

很好，但是您对这种结构所能做的只是通过单独的(或者多维的)索引来设置和检索元素。

youdao

In contrast, if you try to access a single element with an index outside the allowed range, you get an exception.

相反，如果您试图使用允许范围之外的索引来访问单个元素，则会得到一个异常。

youdao

Obama's index, in contrast, stayed high through early October and climbed further following the Oct. 7 debate.

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By contrast, with a traditional index mutual fund, "you're always buying at the net asset value, " Mr. Goldie notes.

WSJ: ETFs for Investors Who Buy and Hold

By contrast, the Mountain Region Index is currently 9.5 percentage points below its January 2007 level, and was down 16.5 percentage points at its nadir.

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