【经】 (作业)方法的叙述

turbidity methods

four diagnostic methods

Toxicological test methods of Pesticides for registration

principle and method; principles and methods

Plain Questions 22, Methods of Treating Visceral Qi4 in Accordance with the Seasons

Assessing principles and calculating methods for the economic effect of standardization

see also catchwords for substances stabilised or for methods used, e.g.

methods, general