To find an appropriate material, Dr Kiser assembled a “library” of polymer mixtures and searched for one with the peculiar property of being liquid at room temperature, but solid at body temperature.

为了找到合适的材料，Kiser博士建立了一个聚合混合物“图书馆”以寻找一种具有室温下是液体但体温下是固体的特有性质物质。

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Knowing the conditions of load and environment under which the component must operate, engineers must then select an appropriate material, using tabulated test data as the primary guide.

了解构件必须运行的载荷条件和工作环境，工程师必须以测试数据表为主要依据选用一种恰当的材料。

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Shield the magnetic field with an appropriate material for the frequency and field strength.

要根据磁场频率和强度选择合适的屏蔽材料。

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Ofcom found Channel 4 in breach of rule 1.3 of the broadcasting code, which states children must be protected by appropriate scheduling from material that is unsuitable for them.

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The enhanced spatial audio effect provides a new dimension of presence and depth while maintaining the integrity of the source mix and ensuring audio is always appropriate to the source material.

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"When the document does goes up for auction it will be important that the material is given appropriate care and I hope that public access to the information that it contains can be secured, " he said.

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