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However, due to its complexity, there exist few fast algorithms for computing Legendre moments, which limits its application.

然而，由于正交矩的复杂性，目前有关正交矩快速算法的研究很少，从而在一定程度上影响了它的应用。

There exist Lewis base sites (M=O and M-O-M or M-O-P) and Lewis acid sites on the surface of these catalysts.

催化剂表面的活性基元由Lewis碱位M=O键的端氧和M-O-M或M-O-P键的桥氧位，Lewis酸位M〓组成。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。