Often, NFR statements are soft and not clearly defined, which makes them hard to measure and test against.

非功能性需求的陈述经常是没有被明确定义的，这使得它们很难被估量和测试。

youdao

That's unclear so far, but the scientists are hoping to conduct playback experiments to test female preference for loud over soft calls.

这些问题的答案至今还是未知之数，但是科学家们希望通过声音重放实验测试雌性划蝽是喜欢嘹亮的鸣叫还是温柔的鸣叫。

youdao

So she and her colleagues decided to put the soft drink to the test.

于是她和她的同事们决定检测一下这种软饮料。

youdao

The European Union recommended that its members test "soft white wheat, " which accounts for 17% of U.S. wheat exports, for genetically modified grain.

WSJ: Asian Buyers Shun U.S. Wheat

The included software also provides prepress professionals with the option to enhance soft proofing accuracy using test and report features approved by UGRA (the Swiss Center of Competence for Media and Printing Technology).

ENGADGET: LaCie pushes serious pixels on 24-inch 324i professional IPS display

Since that little blue line appeared on the pregnancy test, blue cheese, soft cheese (some say all cheese) has been banned.

BBC: NEWS | UK | Confused, guilty and pregnant