Each time they found the same effect: the closer a nutrient-deprived colony grew to bacteria in a nutrient-rich medium, the slimier the former got.

每次他们的试验结果都一样：处于营养贫乏培养基种的细菌菌落越是靠近生长于富营养基中生长的细菌，那么前者越粘稠。

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Whitesides says that such 3D cultures will help probe diseases where some tissue is oxygen or nutrient deprived.

Whitesides认为这些3D培养物将协助研究将组织与氧气、营养隔绝的那些疾病。

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To be sure, the dam has helped Egyptian farmers irrigate year-round and has prevented periodic flooding, but it has also deprived the Nile delta of nutrient-rich silt, which instead just piles up behind the dam.

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