We have a group photo in campus of Chang Sha, to the memory of Zhou Gang's leave for join the army.

为了纪念周钢去当兵，我们在长沙校区图书馆前拍了一张集体照。

youdao

The new machine will be attached to a linear accelerator, a device used for radiation therapy, to allow simultaneous imaging and treatment, according to Sha Chang, who will lead the team that tests it.

ECONOMIST: Modern X-ray technology