The night before they had been reinforced by Hoffman's tale, but now they had concrete intelligencematerial.
虽然昨天霍夫曼的故事使他们重新坚定了信心，但一份可靠的情报胜过千言万语。
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Moreover, he said, none of the documents reviewed so far carries a classification level above "secret" - the lowest category of intelligencematerial in terms of sensitivity.
The paper states the concept of intelligencematerial, composite material base, research of optical fibre intelligencematerial and structure, and applied examples of intelligencematerial.