Poor mechanical property of single macromolecule polymer material limit its clinical application.

单纯的聚合物高分子材料，由于力学性能低，使其应用受到限制。

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Semiconductor coolers are usually used in medium low temperature on account of their material limit.

半导体制冷器由于材料限制，主要应用于200 K左右的中低温领域。

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The limit for occupational radiation exposure among workers who deal with radioactive material is 50 millisieverts.

对于职业的处理放射性物质的工人，接触辐射的极限是50毫西韦特。

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Then, the only limit will be how much plant material is available (see article).

ECONOMIST: The future of energy

Until now, if a developer was granted planning permission they had to start the build within five years but once a "material start" had been made there was no time limit on its completion.

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The sheer scale of the task facing Ford could also limit the effectiveness of its plans to stamp out smut, sexist and racist material.

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