Product: An abstract product class.

Product：抽象的产品类。

youdao

First, add a constructor to the Product class.

首先，添加构造函数至product类。

youdao

Listing 1. Adding a constructor to the Product class.

清单1 .添加构造函数至product类。

youdao

It's actually that product design class I was talking about, so.

这其实就是我刚才说的产品设计课。

又有趣又奇特的课堂 - SpeakingMax英语口语达人

The subject of our session is emerging sustainability standards, which are defining what sustainability means in every industry, business and product class.

FORBES: Sustainability Standards and Sustainability Creep

Panasonic 's PalmTheater line is a pretty good example of a product class that has gotten fairly popular over the last few years.

FORBES: Magazine Article

As a single exchange, Duffy figured it could cut millions of dollars in overhead costs, offer every product class in a single electronic system and be large enough to expand into over-the-counter derivatives trading.

FORBES: Up From the Pits