|
|||||
|
|
On Call 24/7 |
|
| Authors: | Yuan Yuan |
| Abstract: | When Zhang Yueli, a police offi-cer, started his day at midnight on January 10, the temperature outside was minus 18 degrees Celsius, a record low for the region. Zhang stepped into a tent at a check-point near a high-risk novel coronavirus disease (COVID-19) zone. |
| Keywords: | |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |