... centered carrier 中心载波 off-centered dipole 偏心振子,偏心偶极子... spring centered 弹簧对中的 ...
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弹簧对中的方向控制阀 spring-centered direction control valve
从现用工矿电机车机械设计及应用中存在的问题，对车架、轮对、弹簧托架、传动装置的设计方面进行了探讨。
Based on the problems existed in application and mechanical design for present electric locomotives, discusses the design of locomotive frame, wheel pair, spring tray and driving unit.
通过求解弹簧中纵波的波动方程，讨论了弹簧质量对振子的振动频率及弹簧劲度系数的影响。
The effect of spring mass on oscillation frequency and elastic constant is discussed by solving the wave equation.
在一次8名进行肠镜检查的病人感染沙门氏菌的暴发中，流行菌株来自于一对活检钳螺旋状的弹簧而非结肠镜或其它环境细菌。
In an outbreak of 8 cases of Salmonella Newport infection among patients under - going colonoscopy, the epidemic strain was recovered from the spiral-wound spring of.
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