1·ClassNK has grown to become the world's largest Classification Society in term of Gross Tonnage.
从总吨位来讲，日本船级社依旧是全球最大的船级社。
2·National laws or regulations may grant exceptions or exemptions in respect of vessels of less than 200 tons gross registered tonnage.
国家法律或条例可以对总登记吨位未满200吨的船舶准予例外或免除。