Outside the base, banners call on the United States to tell the truth about the use of toxic chemicals such as Agent Orange and to compensate victims for damages.

在基地外面，许多旗子写着要求美国说出他们使用橙剂这类有毒化学物，和补偿受害者的有关真相。

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A soupy mix of potentially life-forming chemicals can be seen pooling around the base of the jagged rocks.

混合着具有形成生命潜力的化学物质的稠密液体汇聚在布满怪石的地表低洼处。

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Using a computer code and four bottles of chemicals, Venter's lab creates the largest man-made DNA structure by synthesizing and assembling the 582,970-base-pair genome of a bacterium.

借助计算机代码和四瓶化学品，文特尔的实验室通过合成和组装，创造了最大的人造dna结构，即细菌582970 -碱基对的基因组。

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As a major integrated oil operator, it carries a huge cyclical element in its earnings and asset base of refining, marketing and chemicals production.

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At the moment, memory chips are made by laying down strata of different chemicals on a silicon base, and then carving canyons through the layers in order to separate the individual components.

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That kind of juice makes factories hum, and South Africa, despite problems aplenty (see p. 36), is beginning to build a manufactured-goods export base in autos, machine tools and chemicals.

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