References can also limit the scope of a startup’s greatest sales enemy: proofs-of-concept.

参考文献可能是新公司最大的销售敌人：概念论证。

youdao

For those of you not up on your math trivia, the concept goes back to before Euclid (who did one of the early proofs deriving perfect Numbers).

对于不熟悉数学知识的人，此概念可追溯到Euclid之前(他完成了导出完全数的早期验证之一)。

youdao

Proofs of concept and prototypes turn into massive applications, and example code is copied and pasted into the foundations of many applications.

仅仅是概念和原型就变成了大规模应用程序，并且样例代码被复制和粘贴到许多应用程序的基础之中。

youdao

Like other proofs-of-concept with Fujitsu's PalmSecure technology, you don't actually have to lay your hand on the sensor to make it work -- hovering above it will work just fine.

ENGADGET

Also, both of these successes are proofs-of-concept.

FORBES: European Researchers Break Chinese Quantum Teleportation Record