1. Thanks to a new directive, food labelling will be more specific. 由于官方的一项新指令，食品标签将会更明确具体。
2. They are seeking a central, directive role in national energy policy. 他们正寻求在国家能源政策方面起中心指导作用。
3. Space Policy Directive-3 lays out general guidelines for the United States to mitigate the effects of space debris and track and manage traffic in space. 《空间政策指令3》为美国制定了一般性指南，以减轻空间碎片的影响以及跟踪和管理太空交通。
4. Above results had a directive function for the development of crab flavorant. 本研究结果对开发具有螃蟹风味的香精具有指导作用。
5. Set is a generally useful directive. set通常是一个有用的指令。
