That workshop had identified a number of critical factors that needed to be ascertained or established for the purpose of managing deep-seabed polymetallic nodule mining in such a way as to prevent serious harm to the marine environment, namely:
该讲习班找出若干应查明或确定的要素，以便管理深海底多金属结核开采，防止严重破坏海洋环境。