The element employs a bifilar wound wire grid on an insulating substrate.元件系用双股绕线网缠绕在一块绝缘基板上.A new backfire antenna fed by a bifilar backfire belix is described in this Paper.本文提出一种用双线背射螺旋作馈源的新式背射天线....
他搭上了开往托特纳姆宫路的东向地铁列车。He caught an eastbound train to Tottenham Court Road.过了一会儿，他们已然搭上飞机赶往南方了。A few moments later they were airborne and winging their way south.有时候他们因自己的轻率而搭上性命。Occasionally they paid for their indiscreti...
飞机的副翼是用铰链装在机翼上的.The ailerons on an airplane are hinged to the wing.正的副翼偏转角产生绕X轴的负方向力矩.Positive aileron deflection produces an anti - clockwise moment about the X axis.副翼是机翼后缘的可动部分.The ailerons are movable sections along ...