It has been found that the crack propagation ratio obtained in the case of gradually increasing loading is smaller than that resulted from one-time loading.

在实验中还发现逐次从小载荷循环增至大载荷循环的裂纹扩展速率比一次加载明显减慢。

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To analyze the characteristics of TBCs such as residual stress, bond strength, fracture toughness, and crack propagation ratio, the Young's modulus and Poisson's ratio are important parameters.

为确定热障涂层的残余应力、结合力、断裂韧性、疲劳裂纹扩展速率等性能和特性，需要知道其杨氏模量和泊松比。

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The case study of a high bypass ratio turbofan engine has verified the feasibility of a three-layer back propagation network.

通过一个高涵道比涡扇发动机故障诊断的实例分析，验证了三层逆传播网络的可行性。

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The speakers use a one-piece aluminum casing that optimizes wave propagation within the cabinet for more fidelity in its sound reproduction, while the higher stiffness ratio offers a more compact loudspeaker solution.

ENGADGET: Philips breathes new life into home stereos with SoundSphere