In this paper the authors proposed that the term of "design allowables" should be replaced by "design values" and "allowables" as composites were used in aircraft structures.
由于复合材料的引入，应该用“设计值”和“许用值”来代替“设计许用值”。
The relationship between design values and allowables was discussed. The determination of compressive design values for composite structures was based mainly on impact damage tolerance allowables.
讨论了设计值与许用值的关系，并指出复合材料结构压缩设计值主要取决于冲击损伤容限许用值。
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