The method has been used nefariously for millennia so what is wrong with FRV in a positive context?

这种方法已经被恶毒地使用了千年，那FRV在积极的背景下怎么了？ ！

youdao

Another vessel of this type is currently under construction at the Galati Shipyard, as is a smaller, 28 m long Fishery Research Vessel (a Damen FRV 2810), also commissioned by the Angolan Ministry.

FORBES: Angola Invests in Fight Against Illegal Fishing in Coastal Waters