A repetitive, yet carefully executed palette of non-representational colors, forms and proportions creates a unique and complex composition, overflowing with miniscule and elaborate details.

不断重复但仔细调配的非典型色彩、形状和比例，创造出独特且复杂的构图，同时满溢著微小且精巧的细节。

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The wastewater from pulp making is a very complex composition with high COD, high concentration, and is hard to be treated.

制浆综合废水是成分复杂、COD含量高、难处理的高浓度废水。

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Due to deep burn-up, the spent fuel of nuclear power reactors has not only complex composition, but also high-level radioactivity.

动力堆乏燃料由于其燃耗深，所以成分复杂，放射性强，从而给其后处理分析带来极大的困难。

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Or make it part of a more complex composition a gallery of pictures or a shelving grid of books and objects.

WSJ: Disguise Your TV

To date, no drug has been approved in its leaf form because plants contain a complex composition of compounds with uncertain pharmacologies, metabolisms, side-effect profiles, toxicologies, drug interactions, and no control of relative concentrations.

ECONOMIST: Egypt's challenge

Although there was an immediate appeal to Sir Michael's earlier pieces, spacious and unconstrained, his later composition became more complex and less accessible.

BBC: World: Analysis