自从首个转基因作物进入商业化种植以来的14年间，其衍生物、亲缘植物和再混合作物都相继问世，并像那些高科技水池草一样成倍增加，同时有利可图。

In the 14 years since the first genetically modified crops were planted commercially, their descendants, relatives and remixes have gone forth and multiplied like profitable, high-tech pondweed.

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很多新药的目标人群是已经服用多种药物的老年人，测试者须保证药物间不会有混合作用。

Many new drugs are aimed at old people who may already be taking several other pills. Testers have to be sure that they will not interact harmfully.

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赣东北前寒武纪港边火成杂岩体广泛发育不同类型的矿物间不平衡结构，指示该杂岩体曾发生过广泛的岩浆混合作用。

There are various lopsided texture types among minerals, indicating extensive magma mixing in the Precambrian Gangbian magma-mixed complex from northeastern Jiangxi Province.

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