The rail acoustic radiation efficiency has little difference whether the force is on the sleeper or in the middle of the sleeper.

力作用在轨枕中间与轨枕上方时，声辐射效率差别极小。

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The research shows that the top layer is the best distributing layer of the impact of the noise reduction, but the following layer has little difference with the top layer.

研究表明：橡胶颗粒沥青路面降噪效果最佳的分布层位为上面层，但是橡胶颗粒分布于下面层时的降噪效果与上面层相比相差甚微。

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The synthetic superplasticizer has little difference in performance compared to other products around the world, but the synthetic polycarboxylate superplasticizer has good cost performance.

在与国内外同类产品的对比试验中，自制减水剂与其性能相差不大，但成本低，自制产品的性价比高。

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Organizers in Vancouver say the athletes will notice very little difference between a natural ski slope and the one that has been built for the games.

VOA: special.2010.02.10

However, aggrieved companies hungry for finance point out that this has made little difference in practice to the investment decisions of the Siefores.

ECONOMIST: Are Mexico's successful funds too cautious?

"In the presence of the disease, there has been little evidence that amyloid makes a difference, " says Mary Sano, a psychiatrist at Mount Sinai Medical Center.

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Secretary for Works Kwong Hon-sang has argued that putting off the opening would have made little difference.

CNN: A Date with Disaster