新的火车票预订引擎，是在进行了一次深入的实用性测试和与客户互动的基础上开发的。

The new rail booking engine has been developed on the basis of an extensive usability test and interactions with customers.

youdao

然而，限制的敏感性，特异性和实用性测试某一特定临床情况下，必须永远记住这之前订购。

However, limitations in the sensitivity, specificity and applicability of a given test to a particular clinical scenario must always be remembered before ordering it.

youdao

相反，你还有时间去测试你经营理念的可行性以及你经营的事业的实用性。

Instead, you'll have time to test both the feasibility of your business idea and the practicality of you running such a business.

youdao