记忆力下降是这种痴呆或任何类型痴呆症的诊断中的必要特征。

Memory impairment is a necessary feature for the diagnosis of this or any type of dementia.

youdao

柔性虽不是最终产品的一个必要特征，但使用柔性载体对制造过程大有裨益。

Even though flexibility is not a necessary feature in the final product, the use of flexible carriers could be highly beneficial for the manufacturing processes.

youdao

除了欧元有机会在未来的十年上升为世界储备货币外，全球还没有其他货币可以像美元一样具有可以满足全球经济的需求的必要特征。

With the exception perhaps of the euro, which may emerge in the next decade, no other currency has the necessary characteristics to allow it plausibly to serve the needs of the global economy.

youdao

But they possess wisdom as an attribute, not as an essential characteristic.

然而拥有这些能力只是神的一种属性,而非必要的特征。

耶鲁公开课 - 旧约导论课程节选