Neuralgia
发表于 2025-3-25 03:30:23
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Graves’-disease
发表于 2025-3-25 08:17:40
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mosque
发表于 2025-3-25 11:51:18
The Ship Screw,rotated by the engine. The blades have to be designed so that at a given rotational velocity, a prescribed thrust is produced which moves the ship with the desired speed. This yields a difficult problem because the screw propeller behind a ship is working in a complicated field of flow, for several reasons. We indicate some of these.
arousal
发表于 2025-3-25 18:53:37
On the Existence of Optimum Propulsion,systems with a high efficiency in that class. It only states that it is not possible by using some algorithm to find a propulsive system of which the efficiency is better than or equal to the efficiency of any other system of the class.
Lobotomy
发表于 2025-3-25 23:51:33
Book 1995 the course of time, many attempts have been made to invent, develop, or to improve hydrodynamic propulsion devices. Remarkable achievements in this field were made essentially by experienced individuals, who were in need of reliable propulsion units such as paddle wheels, sculling devices, screw pr
Generator
发表于 2025-3-26 02:50:33
contours follow the lines of moral argument that are deeply drawn in American history, and then comment on the role of the American bioethics community in the debates and the policy formulation. Finally, I will attempt to relate this American story to the broader theme announced in my title, the “Hi
不成比例
发表于 2025-3-26 05:49:09
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Noisome
发表于 2025-3-26 10:08:59
J. A. Sparenbergcontours follow the lines of moral argument that are deeply drawn in American history, and then comment on the role of the American bioethics community in the debates and the policy formulation. Finally, I will attempt to relate this American story to the broader theme announced in my title, the “Hi
光亮
发表于 2025-3-26 15:19:32
J. A. Sparenbergcontours follow the lines of moral argument that are deeply drawn in American history, and then comment on the role of the American bioethics community in the debates and the policy formulation. Finally, I will attempt to relate this American story to the broader theme announced in my title, the “Hi
很是迷惑
发表于 2025-3-26 18:49:07
J. A. Sparenbergfectly reasonable for someone who happens not to be particularly interested in gardening not to know what a camellia is. Then it becomes perfectly reasonable for them to ask what a camellia is in the simple spirit of asking for information. But it is hard to think that the question, “What is a perso