effective radium content

例句：

1. 1.The new policy is expected to be effective in reducing pollution.
   新政策预计将有效减少污染。
2. 2. The medicine is effective for treating the common cold.
   这种药对治疗普通感冒有效。
3. 3. The new software is effective at automating routine tasks.
   这款软件能有效自动化常规任务。