In this paper, the brittle fracture probability of weldments and the fracture toughness of heat affected zone (HAZ) were investigated according to the principle of the weakest link theory.
从最弱链模型的物理本质出发，探讨了影响焊接热影响区脆性断裂的主要因素。
Computing: Quantum cryptography is unbreakable in theory. But like any security system, in practice it is only as safe as its weakest link.
计算：量子密码理论上是无法破解的。但和任何安全系统一样，在实践中其安全度取决于系统里最薄弱的一环。
Computing: Quantum cryptography is unbreakable in theory. But like any security system, in practice it is only as safe as its weakest link.
计算：量子密码理论上是无法破解的。但和任何安全系统一样，在实践中其安全度取决于系统里最薄弱的一环。
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