The thrust can either move the vessel, or hold it stationary against the environmental forces.

推力既可以移动船舶又可以对抗外力使船舶静止。

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When simple amino acids were formed by chance, environmental forces would tend to destroy incipient order.

当简单氨基酸偶然形成的时候，环境的力量很容易毁灭这种最初的秩序。

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However, in this example, the environmental forces at hand do not react favorably to the child's advances.

然而，在这个例子中，环境的力量和小孩的想法不同。

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The recent recession and a growing environmental awareness have joined forces with our connected society, creating an economic model that is both very old and wonderfully new.

FORBES: The Power of Sharing in the Internet Economy

Lawrence said that with environmental and national security advocates joining forces on climate change, there's a "shot at a coalition" to get a bill through the Senate.

CNN: Health care not Congress' only priority

Nuclear energy's best hope lies in carbon pricing, which forces fossil-fuel plants to pay for the environmental cost of the carbon they generate.

ECONOMIST: Nuclear energy is unlikely to work without a carbon tax