National laws or regulations may grant exceptions or exemptions in respect of vessels of less than 200 tonsgross 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。
2
BAE's core platform is expected to weigh 53 tons and is designed to still meet mobility requirements at a gross weight of 75 tons, said Signorelli.
BAE系统公司的核心平台，预计重量53吨，其设计还满足了总重75吨的流动性要求。
3
Ted Seel, a Cairo-based security expert, explains that the fee structure for the Suez Canal depends on the size, or more specifically the weight, in grosstons, of a ship.