This paper researched on the fuzzy and gray theory, recognized facial image by fuzzy and gray method, which can reduce original data and guarantee and improve the precision.

本文通过对模糊灰色理论的研究，利用模糊灰色理论方法对人脸图像进行识别，可以减少所需原始数据，保证并提高识别精度。

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All products are sent to worldwide recognized test centers periodically to guarantee the quality could comply with international safety standards.

所有产品均定期送到世界公认之大型化验所作检测，以保证品质符合国际安全标准。

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The supplier must guarantee, at the time of product acceptance, that the product satisfies the contract parameters and the recognized standards and paint supplier requirements.

在接收产品的时候，供应商必须保证其产品满足合同要求的参数、适用的标准和涂料供应商的要求。

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Those with money have long recognized that the fact that they amassed significant sums in the past is no guarantee that they have the knowledge and acumen to invest it wisely and effectively in the future.

FORBES: Private Equity, Hedge Funds Must be Understood to be Regulated Effectively