Without this knowledge, the receiver cannot process the received signal in the first place.

如果没有这方面的知识，接收器不能处理接收信号在首位。

youdao

Without this knowledge, it is difficult for the physician to gain rapport with the patient or to develop insight into the illness.

不了解这些，医生就很难与病人关系融洽也无法对疾病有更深入的了解。

youdao

Without this knowledge the pattern maker would produce patterns which were not practical to put together and all sorts of problems would arise.

不具备这种知识，样板师制作的样板在组装服装时就不能顺利地使用，因而就会产生各种各样的问题。

youdao

Since I have not been informed that South Carolina declared war on the United States, I can only believe that this hostile act was done without your knowledge or permission.

VOA: special.2009.07.23

Retailers say the factories often do this without their knowledge.

WSJ: Retailers' Dilemma: Ax or Help Fix Bad Factories?

All this happened without the knowledge or blessing of the Clinton administration.

ECONOMIST: Illinois politics

They said: "This decision was made without the knowledge or consultation with the families".

BBC: John Leckey (l) John Mr Larkin (r)