结论：技术改进后的精确甲状腺腺叶切除术，与甲状腺次全切除术相比，在避免喉返神经损伤方面，具有同等的安全性。
Conclusions: Precise thyroid lobectomy after improvements in technique, is as safe as subtotal thyroidectomy in terms of avoiding RLN injury.
宇航局的设计师们说战神系列的安全性是航天飞机的10倍，是同等助推器的2-3倍。
NASA designers say the Ares line will be 10 times as safe as the shuttle and two to three times as safe as competing boosters.
这意味着必须同时提供同等的机会和同等水平的安全性。
This means it must provide both the same level of access and the same level of security.
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