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1. Temperature field, pressure field, energy field and stress field are the main contents in the study of fluid dynamic field.
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2. From 1949 to 1955 it set up the surface ship force, coastal defense force, aviation, submarine force and Marine Corps, and established the objective of building a light maritime combat force.
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3. Using self-made demonstrating device of composition of force, the force composition law is proved, and the relation between resultant force and component force is obtained.
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4. It was proposed that, vortex shear force and inertial centrifugal force were the main driven force causing particle contact flocculation, and the vortex shear force was the dominant kinetic factor;
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5. The relation between the hydraulic cylinder force and the lateral fixation point force during testing of PIPE 9 (no lift force) and PIPE 10 (lift force) can be seen in Figure 5. 11.
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