【单选题】在表示装配图工艺结构时,不正确的说法是( )。
C.
轴和孔的配合中,在同一方向上的接触允许有多个圆柱面接触。
【单选题】对一维定常流动的动量方程,请判断如下说法哪个是错误的?
C.
但分量式中速度和外力的正负号与坐标系的选择和外力方向的设定均有关;
D.
作用在控制体上的合外力等于净流入的动量流量。
【简答题】Confucius advocated that this thought should not only be treated as a way to understand and deal with things but also be ________ into one’s daily conduct to make is a ________ through self-cultivatio...
【判断题】孔子主张“仁”。他认为要做到“仁”,就要关爱别人。Confucius advocated "benevolence". He believed that to be "benevolent", we should love others.
【判断题】Confucius advocated non-action.
【判断题】秋整地可以抢农时、增积温,减少低温冻害对农业的影响。