最主要的生物因素是双壳动物幼虫类型。

The most important factor is the larval type.

youdao

不过，协定没有涉及到双壳贝类、水产品卫生和检疫问题。

However, it does not include trade of bivalves, fish health and quarantine issues.

youdao

不过，协定没有涉及到双壳贝类、水产品卫生和检疫问题。

However, it does not include trade of bivalves, fish health and quarantine issues.

youdao