独家产品的英文：
a unique product

The beauty of Dunhuang is unique in the world.
敦煌的美在世界上是独一无二的。

Because it undermine the uniqueness of humanity.
因为它摧毁了人类的独特性。

His cello technique is unique.
他的大提琴（演奏）技巧是独一无二的。

The custom is unique to the region.
这种风俗是这一地区特有的。

Each datum has a unique key.
每个数据都有一个独特的键。

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

Then production is not affected.
生产就不会受到影响。

This is a foam product.
这是一种泡沫产品。