【单选题】下列关于抽样标准误的叙述中哪个是错误的?
【单选题】关于线,面轮廓公差,下列说法中錯误的是( )
A.
线轮廓度公差只能用来控制曲线的形状精度.面轮廓度公差只能用来控制曲面的形状精度
D.
线.面轮廓公差带中的理论正确几何形状由理论正确尺寸确定
【单选题】下列叙述中锴误的是( )。
A.
对于各种特定的输入算法的时间复杂度是固定不变的
D.
算法的时间复杂度与实现算法过程中的具体细节无关
【简答题】—You've made great progress in your studies of English, haven't you? —Yes, but much . A. remains to do B. is remained to do C. remains to be done D. is remained to be...
【单选题】It’s time you changed your attitude ___ your studies, for the time is running out.
【单选题】After a short holiday, he _____ himself once more to his studies.