trial

Испытание; исследование; проверка; проба; опыт

- by trial and error

- buy something on trial

- order goods on trial

- trial of pyx

- acceptance trial

- assessment trial

- comparative trial

- development trial

- evaluation trial

- fattening trial

- feeding trial

- field trials

- laying trial

- manufacturer's trial

- performance trial

- proving trial

- random trial

- repeated trial

- replicated trial

- service trial

- test trial

- user trial