Vessel can not be regarded as particle while vessel is berthing, so distance of vessel and shoreline is not distance of point and line, it should be calculated as space between polygon and line.
在船舶靠泊操纵仿真中，由于船舶不能视为质点运动，因此船岸距离的计算不能简单地归结为点线距离，而应该用多边形间距方法进行计算。
Shifting time from anchorage to unloading berth, time lost due to berthing operations and preparations by the vessel to berth, and time taken for completion of pratique at anchorage or after berthing.
从锚地到卸货泊位的移泊时间，由于靠泊操作和船只准备靠泊而损失的时间以及在锚地或靠泊后为办完入港许可而花费的时间。
If the vessel directly berths, NOR shall be tendered upon berthing after free pratique.
如果船只直接进入泊位，应在获得入港许可、靠泊后发出备妥通知。
With large vessels increasing, not only the maneuverability of the vessel is changed in the harbor, but also the safety of the vessel berthing is greatly affected.
随着大型船舶数量的增多，不但改变船舶港内操纵性能，而且对船舶的安全靠离泊造成很大影响。
UHMW-PE set in front of panel, it can lower friction factor between vessel and fender, lower the shear strength while vessel berthing, and raise utility of fender life.
防冲板前面安装超高分子量聚乙烯，可减小船舶与护舷的摩擦系数，大大降低船舶靠泊时剪切力，从而提高护舷使用寿命。
UHMW-PE set in front of panel, it can lower friction factor between vessel and fender, lower the shear strength while vessel berthing, and raise utility of fender life.
防冲板前面安装超高分子量聚乙烯，可减小船舶与护舷的摩擦系数，大大降低船舶靠泊时剪切力，从而提高护舷使用寿命。
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