chemical method

• 化学方法

chemical method的用法和样例：

例句

1. Cryoscopy is obtained by classical chemical methods.
   冰点是由经典的化学方法获得的。
2. The samples are pretreated by microchemical method.
   样品前处理采用了微量化学法。
3. Mechanical comminution and chemical methods were all used in China and India antiquity for making gold powder.
   古代中国和印度采用机械法和化学法制造金粉，其金粉技术和应用都有久远的历史，但也有若干差异。