And a monitor backscatter factor is used to correct the effect of backscatter from secondary collimators.

并用一个反向散射修正因子对次级准直器的反向散射进行修正。

youdao

The backscatter coefficient of hemorrhage lymphnode is smaller than that of normal lymphnode and changes with the frequency. The ultrasonic backscatter microscope technique is a useful device…

猪的出血性淋巴结组织的声散射系数比正常淋巴结组织的小，且随频率的变化而变化，背向散射技术是在高频段进行组织定征的有效手段。

youdao

It's not going to be a backscatter event if your ping-pong ball hits the frame or these strings, or the top part.

打到原子核了就是背散射,如果打到框上。

麻省理工公开课 - 化学原理课程节选

So, it'll be considered a backscatter event if your ping-pong ball hits one of the nuclei.

什么情况是背散射,如果你们的乒乓球。

麻省理工公开课 - 化学原理课程节选

Let me explain to you what constitutes a backscatter event.

先不要扔，让我解释一下。

麻省理工公开课 - 化学原理课程节选

The TSA maintained that the backscatter machines, manufactured by Rapiscan Systems, were safe and effective.

CNN: TSA removes body scanners criticized as too revealing

Backscatter machines could return one day if the company develops required software, the TSA has said.

CNN: TSA removes body scanners criticized as too revealing

The last backscatter machines were removed about two weeks ago, a TSA spokesman said.

CNN: TSA removes body scanners criticized as too revealing