Furthermore, the gypsum was found to possess peculiarities of composition and structure that suggested it had formed on desert flats.

而且，科学家们发现这些石膏具有独特的成分和结构，这表明它们曾经形成于沙漠的低洼地带。

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Long-term effects are primarily mediated by changes in tree species composition and the consequent alterations of forest structure, productivity, and nutrient uptake.

长期影响主要是由树种组成的变化以及随之而来的森林结构、生产力和养分吸收的变化所导致的。

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The emphasis of this new "community ecology" was on the composition and structure of communities consisting of different species.

这种新的“群落生态学”强调的是由不同物种组成的群落的组成和结构。

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Aside from budgeting, there is also the issue of the personnel composition and structure of AFRICOM.

CENTERFORSECURITYPOLICY: AFRICOM proceeds apace

But the U.N. and Hun Sen disagree on the composition and structure of the tribunal.

CNN: Seeking Justice

Changes in the composition and structure of the workforce are not the only catalysts for altering the relationship between unemployment and inflation.

ECONOMIST: The great American jobs machine