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propulsion造句
(31) Their alchemists were experimenting with gunpowder, their engineers had grasped the basic principles of steam propulsion. (32) There would be increased emphasis on nuclear propulsion for maritime purposes. (33) Remember that the principle of rocket propulsion simply requires high-speed molecules to push against the rocket. (34) The use of a heat shield made from asteroidal materials is highly attractive because it reduces propulsion requirements. (35) The company said it was selling to concentrate on building tanks, howitzers, propulsion systems and Cosworth engines. (36) In terms of the demands placed on spacecraft propulsion systems, Uranus is easiest and Neptune is second. (37) Propulsion of steam colliers was mainly by coal fired boilers providing steam for the engines. (38) The virus has no independent means of propulsion and can not control its own motion. (39) Ballistics: Science of propulsion, flight, and impact of projectiles. (40) Good rear angulation showing great powers of propulsion. (41) Experimental investigation on air-breathing mode of laser propulsion . (42) Propulsion system selection criteria and mission analysis are introduced. (43) The liquids employed for rocket propulsion are called propergols. (44) Ensure the correct functioning of all propulsion system instrumentation. (45) Know well about propulsion system knowledge. (46) Adduction of the upper arm to maximize forward propulsion. (47) The team's preferred concept, the SUGAR Volt, is a twin-engine aircraft with hybrid propulsion technology, a tube-shaped body and a truss-braced wing mounted to the top. (48) Since the appearance of POD electric propulsion system, it injects new life into marine propulsion system. (49) It is an important test platform supporting the study of underwater vehicle based on undulatory propulsion of long flexible Fin. (50) As one of the important parts in the pipe assembly of a satellite propulsion system, the orbicular seal joint is related with the reliability and service life of the satellite working in orbit. (51) That the oldest technology of flight will find a role supporting the latest, fusion propulsion, has a certain poetic justice. (52) According to the analysis of the propulsion in box culvert project, the transformation rule of the friction coefficient about the state-changeable interface is concluded. (53) A four-joint flexible underwater pisciform propulsion system is developed and the control flow chart is presented. (54) Moreover, addition movement of the airframe can result from aerodynamic or propulsion noise. (55) The result shows that the jet propulsion of aluminium-water reaction engine meets the design requirement for supercavitating torpedo propulsion. (56) An impedance bond is an interface transformer providing a path for a return propulsion current on electrified railway and a signal current of a track circuit. (57) Both the squid and the octopus move via jet propulsion, which is pretty awesome. (58) The Volt is a twin-engine concept with a hybrid propulsion system that combines gas turbine and battery technology, a tube-shaped body and a truss-braced wing mounted to the top of the aircraft. (59) The full integrated electric propulsion system is a fire-new and open system enabling "seamlessly" connection to advanced technology and equipments in the future. (60) AIP ( Air Independent Propulsion System ) system provides effective solutions for power system of conventional submarine.