科学家们开发了一种检测制造过程中错误的新技术。

Scientists have developed a new ___technique for detecting errors in the manufacturing process.

她是一位有创造力的艺术家，但需要改进技巧才能成为大师。

She is a creative artist, but she needs to improve her ___technique to become a master.

我学会了一个更有效组织学习时间的有用技巧。

I learned a useful ___technique for organizing my study time more efficiently.