根据我国航道条件就现有浅水拖输艏艉线型形状进行了探讨，从阻力和推进观点出发对满载水线、横剖面形状、半进水角和各种坠洞以及它们对螺旋桨的影响等加以分析、比较。
In view of the resistance and propulsion, the load water line, shape of sections, half Angle of entrance, forms of tunnel and their effect on propeller were analysed and compared.
苔丝还站在那儿犹豫着，像一个沐浴的人想跳进水里去一样，不知道是跳进去还是退回去，正在这个时候，有一个人从帐篷黑色的三角形门里走了出来。
Tess still stood hesitating like a barber about to make his plunge, hardly knowing whether to retreat or to persevere, when a figure came forth from the dark triangular door of the tent.
龙——集九种动物一身，其爪如鹰爪锋利，有角仿如鹿，能飞天进水，腾云驾雾，乃万兽之首，一直被视为最神圣的吉祥物。
Lung - a set of nine animals, their claws sharp as eagle, a corner just like deer, to flying water, clouds, is the head of the animals, has been considered the most sacred mascot.
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