本文以良紧性理论为基础引入了L-不分明完备映射的概念，证明了这种映射是可乘的。

The concept of L-fuzzy perfect mappings based on the N-compactness is introduced. We show that the L-fuzzy perfect mappings are multiplicative.

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杰良是我公司企业理念的缩影：“杰”旨在追求卓越与杰出；“良”旨在以诚信、善良为业。

Jie Liang and I are the epitome of corporate philosophy: "kit" aimed at the pursuit of excellence and outstanding; "good" is designed to honesty, kindness for the industry.

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饲用价值类型结构以中、低等质量的种类最多占52%，而优、良牧草种类只占23%。

In the forage value type structure, the species of middling and lowness quality take the most even 52%, but those of high and fine quality only take 23%.

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