产品转换率的英文：
rate of product transformation
n. 比率，速率；费用
v. 评估；认为；划分等级；值得
- cumulative rating
累积收听率 - These bonds have an AAA rating.
这些债券的信用度是3A级的。 - To rate too low;underestimate.
低估对…估价太低；低估
n. 产品；产物；结果；乘积；生成物
- productive farmland; his productive years; a productive collaboration.
多产的农田；他的多产年；多产的合著。 - The products are of poverty.
这批产品质量很差。 - Mechanic Products
机械产品学
n. 变化，弯形；转变实例；变换；转换；转化；假发
- The situation has been greatly transformed.
形势已经大大好转。 - core ,for electric transformers
线圈心,变压器用 - The ability of bacteria to be genetically transformable.
遗传力细菌的遗传性转化的能力。