According to the mmg ' s separated modeling theory , an integrated mathematical model is established , which can be applied to ship maneuvering with tugboat assistance in harbor 本文采用mmg分离建模的思想建立了一个较为精确、较为完整的适用于港内拖轮协助操船工况下的运动数学模型。
In sailing - crazy annapolis , boaters celebrate the first day of spring with a ceremonial burning of the socks , signifying it will soon be warm enough to wear shoes without socks 在“航海之乡”安纳波利斯美国马里兰州首府，船工们会在春季的第一天举行烧袜子仪式，以庆祝春天的到来。
The sock bonfire , he said , is a way of remembering annapolis " bygone days of working - class watermen who brought in crabs in the summer and scraped the paint off wooden vessels in the winter 他说，袜子篝火是纪念安纳波利斯船工们旧日生活的一种方式。过去，船工们夏天出海打回螃蟹，冬天就在木船上把船体上的漆一点点的刮下来。
In sailing - crazy annapolis , boaters celebrate the first day of spring with a ceremonial burning of the socks , signifying it will soon be warm enough to wear shoes without socks 在“航海之乡”安纳波利斯（美国马里兰州首府） ，船工们会在春季的第一天举行烧袜子仪式，以庆祝春天的到来。这标志着不久之后天气就会变暖，他们就可以光脚穿鞋了。
The article analyzes work hours and its distribution to centers according to research into shipbuilding efficiency . basing on the labor load condition in centers , human power scheduling is also a flexible 在研究船舶生产效率的基础上分析造0哈尔滨工程大学博土学位论文船工时，以及工时在各中心的分配问题；人力资源计划产生的基础是各中心
According to the need of the seaman ' work on board , on different aspect such as technology condition , economy condition , navigation human culture , navigation law ' s construction , the paper analysis the feasibility of bringing it into navigate activity 本文结合目前it业的软、硬件水平，充分总结实船工作需要，从技术条件、经济条件、航海人文观、航海法律建设诸方面分析将it引入航海活动的可行性。
Combining the software and hardware level of the it industry at present mainly , we should summarize entirely the need of work of actual ship and analyse the feasibility and necessity of implementing the shipping network office automation from technological condition , economic terms , navigation humane view , navigation law construction , etc 主要结合目前it业的软、硬件水平，充分总结实船工作需要，从技术条件、经济条件、航海人文观、航海法律建设等诸方面分析实施船舶网络办公自动化的可行性和必要性。
The total area of the corporation covers about 200 chinese acres and the length of coastline is about 1 , 140 meters , the auxiliary facilities have taken shape the main facility and the equipment include the 30 , 000 dwt dry dock which is 192 meters long by 40 meters wide the gate width 32 meters and 10 meters deep , is to date the biggest dry dock in fujian province ; one fitting wharf length 65 meters , width 17 meters ; 16 tons portal crane 1 set , 16 tons gantry crane 1 set , mobile cranes 50t1 25t1 12t2 8t4 and other necessary transportation , coatings , the precision work equipment supplying air 120 m min , spraying grit more than 4 , 000 m day , renews the steel plate 12 15 t day we can finish repairing all kinds of ships under 40 , 000 dwt within 7 to 10 days our corporation obtains the first - class dockyard to repair and build steel - made ships lisence in 2001 , passed the national environmental protection appraisal in august 2002 , was designated shipbuilding in fujian for maintaining foreign ships in octobet 2002 , the dry dock , passage channel , the turning area , fitting wharf are passed by passage safety appraisal in march , 2003 主要设施和设备有： 3万吨级干船坞一座长192米宽40米坞门净宽32米深10米是福建省目前最大的干船坞舾装码头一座长65米宽17米16吨门座起重机1台10吨门吊1台汽车吊8台50吨1台25吨1台12吨2台8吨4台以及与其相配套的运输喷涂精加工设备。每分种供气120立方米，日喷砂面积4000多平方米，日换钢板15 20吨。一般修船工期为7 10天。
