Because of particularity of structure and material, the piston must be measured by the non - contact method. but, at present there isn ' t mature technique.

由于活塞结构和材料的特殊性，对于它的检测只能采用非接触测量的方法，而目前尚没有成熟的技术。

youdao

Though more and more focus has been put on real estate maintenance, there isn ta good method for its economic analysis.

物业维修是人们越来越关注的领域，其中的经济性分析一直没有一种较好的方法来解决。

youdao

There isn 't a pudding today.

今天没有甜食。

youdao

I have some kind of virus,and the doctors, they don't know what it is, and there isn't anythingthey can do about it.

VOA: standard.other

There isn't as much work as there used to be in terms of full-time jobs.

就全职工作而言，没有以前那么多工作岗位了。

英国的影视产业 - SpeakingMax英语口语达人

Right. Another way of saying it is there isn't random assignment of the subjects to the two conditions in the study.

换种方式说,受试者并不是随机安排在,这个研究中的两种情况下。

耶鲁公开课 - 心理学导论课程节选

There isn't evidence - or there isn't sufficient evidence - of any of that.

BBC: Abdication at the Royal Bank

But that doesn't mean there isn't room for the company to improve the merchandise.

FORBES: Magazine Article

"If something feels good to you, there isn't anybody who can persuade you differently, " Wyatt said.

CNN: Coming out late in life complex but not unusual