在河口湾、潮间带和河流三角洲前缘环境中形成的沉积体也不适合进行构型单元分析。
It is also not suitable for the deposits formed in sedimentary environments such as firths, tidal zones and fluvial deltas.
但是，尽管研究者花费了大量精力研究白藜芦醇，它的寡聚物，包含多个通过不同构型相连的白藜芦醇单元的化合物，却未被深入研究。
However, while much effort has been devoted to studying resveratrol, its oligomers, consisting of a number of resveratrol units linked in various configurations, have not been as thoroughly probed.
此单元组包括投掷并完成混凝土制品，操作机器挤压，制模，按压和烘烤粘土制品，操作机器构型和切割并完成石材产品的工人。
This unit group includes workers who cast and finish concrete products, operate machines to extrude, mould, press and bake clay products, and operate machines to form, cut and finish stone products.
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