极: I the utmost point; extreme惯矩: moments of inertia主惯矩: principal moment of inertia极惯性矩: polar moment of inertia离心惯矩: centrifugal moment of inertia扭矩惯矩比: torque to inertia ratio; torque-to-inertia ratio纵向惯矩: longitudinal moment of inertia断面极惯性矩: polar moment of inertie of area截面极惯性矩: polar second moment of area polar moment of inertia; polar second moment of area；polar moment of inertia极管藻属: bipolaribucira极贯矩: polar moment of inertia极管天线收发开关: pin diode duplexer极光: [地球物理] aurora; aurora polaris ; [天文学] polar light 北极光 aurora borealis; northern lights; 南极光 aurora australis; southern lights 极管: polar tubule极光斑: auroral spot极冠相位偏移: polar caphase anomaly极光崩离: auroral break-up极冠吸收极冠吸收: polar caabsorption
