By means of the double combination designs, a mathematical model for the natural yield capacity of millet in Heilongjiang Province was established.

在此基础上，运用双重组合设计原理，初步建立起该省谷子自然生产力的数学模型。

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The results show that patients taking a double therapy combination of either a diuretic or an ACE inhibitors or ARB with an NSAID were at no increased risk of kidney injury.

FORBES: Acute Kidney Injury Associated With Dual Antihypertensive Therapy And NSAIDs

She two-footed and underrotated the second jump in her double axel-triple toe loop combination, and also got a deduction for taking off on the wrong edge of her triple lutz.

NPR: Kim Wins Women's Title At 1st Worlds In 2 Years

That number could easily double again, he says, with a combination of dynamic pricing and demand response.

ECONOMIST: Utilities are getting wise to smart meters and grids