1·Featuring greater manoeuvrability than any boat and extremely shallow drafts, they set the standards for the personal watercraft of the future.
具有更大的机动性比任何船和极浅草稿，他们为未来的个人船舶的标准。
2·The unique JET SKI watercraft feature of the fully enclosed impeller pump dramatically improved water safety over conventional outboard motors.
独特的喷气滑雪船舶功能的全封闭式叶轮泵，大大改进了传统的舷外马达的饮水安全。
3·Tung oil was also used in the shipbuilding to improve the caking property and impermeability of the watercraft.
用桐油石灰抹缝，提高粘结性和抗渗性，使船舶具有很好的抗沉性。
4·Researches on loading capacity of structures are very important in the fields of aviation, spaceflight, watercraft, automobile, building and bridges et al.
在诸如航空航天、船舶工程、汽车、建筑、桥梁等实际工程领域中，对于实体结构的承重承载能力的研究无疑是至关重要的。
5·The JS550 was the first JET SKI watercraft to feature the newly designed, high-capacity mixed-flow pump.
JS550是第一架喷气滑雪船舶功能新设计的，高容量的的混流泵。
1·The coastal hypothesis suggests an economy based on marine mammal hunting, saltwater fishing gathering, and the use of watercraft.
沿海假说提出了一种以捕猎海洋哺乳动物、收集捕捞咸水鱼和使用船只为基础的经济模式。
2·The coastal hypothesis suggests an economy based on marine mammal hunting, saltwater fishing, shellfish gathering, and the use of watercraft.
海岸假说提出了一种以捕猎海洋哺乳动物、捕捞咸水鱼类、采集贝类和使用船只为基础的经济模式。
3·He theorized that with the use of watercraft, people gradually colonized unglaciated refuges and areas along the continental shelf exposed by the lower sea level.
他的理论是，随着船只的使用，人们沿着因海平面下降而暴露的大陆架逐渐移居到未冻结成冰的区域。
4·People use “jet ski” to refer to a wide variety of personal watercraft; “rollerblade” to mean any inline skates—and “chupacabra” to mean any weird animal.
人们用“jet ski”这个词组表示各种各样的个人船只；用“rollerblade”这个词表示任何直排轮滑——也用“卓帕卡布拉”来表示任何神秘的动物。
5·Either way it seems certain that these people were using quite sophisticated technology and watercraft to fish offshore.
不管人们用的那种方法抓鱼，似乎可以肯定，那些人使用了娴熟的技术和船只。