dominant 发表于 2025-3-25 07:14:34

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有角 发表于 2025-3-25 08:59:33

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Adulate 发表于 2025-3-25 15:19:59

Swimming of Planktonic , Species (Copepoda, Crustacea): Pattern, Movements and Their Controlergy expended in swimming to be only 0. 3% of the metabolic energy consumption. In order to avoid an encounter with a predator, . display an escape reaction, swimming up to 35 cm/sec for about one second. This translates to about 120 powerstrokes per second. In this speed range flapping of the abdom

教育学 发表于 2025-3-25 16:37:19

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头盔 发表于 2025-3-25 22:55:00

Hovering Flight of the Dragonfly ,., Kinematics and Aerodynamicsflight are due to non-steady-state aerodynamics. The pitching rotations of the wings at top and bottom of the stroke are believed to contribute much force, although the exact mechanism is not clear..At the leading edge of the wing of dragonflies there is a unique morphological arrangement, the node.

gustation 发表于 2025-3-26 00:32:28

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sundowning 发表于 2025-3-26 07:39:27

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LOPE 发表于 2025-3-26 11:23:02

parable to the symp­ tomatic manifestations of ischemia, then the problem of silent ischemia would be very academic and without consequences for treatment. Therefore studies on prognosis of silent ischemia are of great importance, as their results should indicate how aggressively patients are to be managed.978-3-662-12999-9978-3-662-12997-5

认为 发表于 2025-3-26 14:29:32

Q. Boneatients with silent ischemia. Abnormalities in myocardial perfusion and function can occur without pain. An interesting observation presented by several investigators has been that when a coronary artery is occluded in man, no ischemic pain is perceived for the first 30 seconds. Only after a 30 seco

Inferior 发表于 2025-3-26 19:10:32

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查看完整版本: Titlebook: Swimming and Flying in Nature; Volume 2 Theodore Y.-T. Wu (Chairman),Charles J. Brokaw,Chr Book 1975 Springer Science+Business Media New Yo