英语翻译如：In contrast to the design of reinforced concrete members,the design of Class 1 and Class 2 prestressed concrete members is generally governed by the stress criteria IN SERVICE or AT TRANSFER,rather than by their ultimate strengths,though the latter must be checked..又如：Suppose the prestressing force in the tendon is P at transfer.请问其中"in service or at transfer" 字面意思能解释,可放在句子里是什么意思呢?liubuzhi770您说这两个是一个意思吗?但文献下一章节的标题是“Stresses at transfer”.而这一章节的标题

英语翻译
如：In contrast to the design of reinforced concrete members,the design of Class 1 and Class 2 prestressed concrete members is generally governed by the stress criteria IN SERVICE or AT TRANSFER,rather than by their ultimate strengths,though the latter must be checked.
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又如：Suppose the prestressing force in the tendon is P at transfer.
请问其中"in service or at transfer"
字面意思能解释,可放在句子里是什么意思呢?
liubuzhi770您说这两个是一个意思吗?但文献下一章节的标题是“Stresses at transfer”.而这一章节的标题是"Stresses in service",应该讲的不是一个东西吧?
有没有知道一些专业英语的朋友谈谈理解呢?