marking frequency

例句：

1. 1. The marking frequency of the new product is 80%.
   新产品的标记频率为80%。
2. 2. The marking frequency of the new product has increased by 10% compared to last year.
   与去年相比，新产品的标记频率提高了10%。
3. 3. The marking frequency of the new product is crucial for market analysis.
   新产品的标记频率对于市场分析至关重要。