A direct proof of the theorem is given in this paper.

本文给出了该定理的一个直接证明。

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A simple and direct proof of decomposition theorem of complex functions has been provided, and Uniqueness of the decomposition has been proved.

给出了复变函数分解定理的简捷证明，并证明了分解的唯一性。

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In the paper, we present a direct proof of Raney s intrinsic characterization of completely distributive lattices and give some applications of the intrinsic characterization.

本文对完全分配格的内蕴式刻划给出了一个简洁的直接证明，并给出了内蕴式刻划的若干应用。

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Despite direct proof of efficacy, it is logical to think UV-blocking contacts will help keep the eyes healthy, optometrists say.

WSJ: Contacts Lenses That Let In Sun, But Block UV Rays

But it does not say there's proof of a direct connection.

CNN: Debate over fracking, quakes gets louder

So, anyone trying to buy lab equipment or the kits needed for biology experiments online from eBay or direct from equipment manufacturers, would have to show some proof of identification so they could be tracked.

FORBES: Should Synthetic Biology Be Policed?