同义词是techniques ， 例如：
1、The new management techniques aim to improve performance.新的管理技术旨在提高效率。
2、New techniques were introduced with varying degrees of success.引进新技术的成功程度不尽相同。
3、It is possible to discern a number of different techniques in her work.从她的作品中可以识别出许多不同的创作手法。
