Mr Jing said the first phase of the trial would last about three years and would involve restricted areas in the city where buses, mid-size vans and cars would be tested.

据王菁透露，该实验的第一阶段将持续三年左右的时间。 实验将在芜湖市内一些指定的区域内进行，他们将对公交车、中型面包车和小汽车进行实验。

youdao

The trial's first phase, which could last up to three months, is designed to identify causes of the blowout and assign percentages of blame to the companies involved.

NPR: BP Civil Settlement Remains Elusive As Trial Nears

Just three months before its planned split into two companies, Abbott Laboratories is suffering a significant setback after a Phase III trial for a chronic kidney disease treatment was ended due to an excessive number of deaths and serious adverse events in patients.

FORBES: For Abbott, Setbacks Happen In Threes; Now, A Kidney Drug Trial Ends Over Deaths