As the propeller turns,voids are formed on the trailing and leading edges of the propeller blades causing a loss of propulsive efficiency,pitting of the blades,and vibration.These voids are known as ______.
【单选题】Wilmslow acquired 80% of the equity shares of Zeta on 1 April 2014 when Zeta’s retained earnings were $200,000. During the year ended 31 March 2015, Zeta purchased goods from Wilmslow totalling $320,0...
【单选题】执行如下程序显示的结果是______。 SET TALK OFF CLOSE ALL CLEAR ALL mX="大数据设计" mY="专为" DO s1 WITH mX mY+mX RETURN PROCEDUKE s1 PARAMETERS mX1 LOCAL mX mX="云时代的大数据" mY="智慧运算"+mY RETURN