� These include: gravity and magnetometric observations and measurements; bottom and sub-bottom acoustic or electromagnetic profiling or imaging without the use of explosives; water and biotic sampling and mineral sampling of a limited nature such as those obtained using core, grab or basket samplers to determine seabed geological or geotechnical properties; meteorological observations and measurements, including setting up of instruments; oceanographic, including hydrographic, observations and measurements and the setting of instruments; television and still photographic observations and measurements; shipboard mineral assaying and analysis, and positioning systems, including bottom transponders and surface and subsurface buoys.
他? 们 醒了 之后 , 我 要 怎 么? 办 ?UN-2 UN-2