Some people call these travels "fate trips" in which two people are brought together in a rather randomly selected, ad hoc group and then happen to "click".

一些人称这种出游方式为“缘分之旅”，即随意安排两人结成一组，之后让他们自己去“碰撞”。

youdao

A while ago an AD hoc group of computer scientists and cryptographers contributed to a paper that recommended a key of at least90bits for symmetric algorithms used in commercial security.

不久前，计算机科学家和密码学家专门小组发表了一篇论文，建议用于商业安全的对称算法至少要用90位的钥匙。

youdao

A while ago, an AD hoc group of computer scientists and cryptographers contributed to a paper that recommended a key of at least 90 bits for symmetric algorithms used in commercial security.

不久前，计算机科学家和密码学家专门小组发表了一篇论文，建议用于商业安全的对称算法至少要用90位的钥匙。

youdao

The Ad Hoc Group was charged with addressing the science-related recommendations of the report.

UNESCO: Social and Human Sciences

If that decision had been made by a standing group of experts instead of an ad hoc group, it would have drawn less scrutiny.

FORBES: Magazine Article

Ban Ki-Moon, United Nations Secretary-General, tasked Irina Bokova to convene an Ad Hoc Group to advise him on the science-related recommendations of the Report.

UNESCO: Public policies need social sciences to build a green sustainable society | United Nations Educational, Scientific and Cultural Organization