“原状稳定的”可以翻译为 “in a stable and undisturbed state” 或者 “maintaining its original stable condition” 。具体使用哪种表达可根据上下文语境来选择。例如：
The soil sample was kept in a stable and undisturbed state during the test.（测试过程中，土壤样本保持原状稳定。）
The structure is maintaining its original stable condition after years of use.（经过多年使用，该结构仍保持原状稳定 。 ）