On this basis, the scope of expanded concept set is adjusted by the similarity threshold, and the query expansion based on semantic concepts is realized.

在此基础上，通过对相似度阈值的控制来调整扩展概念集的范围和大小，从而实现语义概念层次上的查询扩展。

youdao

Change the concept, set up new student's evaluation criterion.

转变思想观念，建立新的学生评价标准。

youdao

I wanted to say one more thing because I realize that you have to-- your first problem set will cover this-- is to talk about the concept that applies probability theory to Economics.

我还想提一点,因为我意识到...,你们的练习题中会涉及到这个,概率论在经济学中的,应用的问题

耶鲁公开课 - 金融市场课程节选

Although supply of housing also is increasing in the U.K., industry watchers say the multifamily concept is set to catch on as young families rent cheap accommodations while saving to buy their first house.

WSJ: U.S. Investors Move Into U.K. Housing

After testing out the concept, he set up an online forum to coordinate the groups of six people needed to complete each promotion and get the gadget.

FORBES: Four Bold Moneymaking Schemes That Taught Young Founders The Ropes

They must embrace and preach the concept of shared sacrifice and set expectations that we need to give more and expect less from government.

FORBES: The Federal Budget: Promises to Ourselves We Shouldn't Keep