improved synthesis的用法和樣例：
例句
- An improved method for synthesis of clindamycin acetonide was introduced.
介紹了製備克林黴素磷酸酯中間體丙酮叉的工藝改進方法。 - The improvement on production technique of sulfurized olefin abroad was described,the improved technique was compared with the traditional one.
介紹了國外硫化烯烴的生產工藝改進方法及改進后的硫化烯烴與傳統硫化烯烴的性能比較。
