These positrons then come into contact with electrons in the body, and the two annihilate, releasing two gamma-ray photons.

正电子与人体组织中的电子发生作用而湮灭，产生两个伽玛射线光子。

youdao

The releasing rules of carbon dioxide under the condition of contact metamorphosis were systematically studied, and the releasing amount of carbon dioxide was calculated by modeling.

系统地研究了接触变质作用条件下二氧化碳释放规律，模拟计算了二氧化碳气的释放量。

youdao

However, this comes at the expense of releasing all your personal information to parents should they (or their child) ever want to contact you.

然而，这样做的代价就是把你的信息全都留给那些父母，他们(或他们的孩子)以后可能想要联系你。

youdao

In a statement, film studio Sony and Annapurna Pictures said Mr Boal and director Kathryn Bigelow had been in close contact with the families of victims since releasing the film, which was privately screened for many of them.

BBC: Zero Dark Thirty attacked by 9/11 family