【简答题】将下列角化为弧度: (1) (2) (3) (4)
【简答题】将下列角度转化为弧度:(1) (2) (3) (4) (5)
【简答题】Some people bring out the best in you in a way that you might never have fully realized on your own.My mother was one of those people. My father died when I was one-year-old.While I was growing up, we...
【单选题】船舶在恶劣天气航行时值班人员应注意______
【简答题】将下列角度转化为弧度: ( 1 ) 36 ° = rad ; ( 2 )- 105 ° = rad ; ( 3 ) 30° = rad ;
【单选题】V 形停电作业在电分段、软横跨等处作业,中性区及一旦断开开关有可能成为中性区的停电设备上均应接地线,但当中性区长度小于( ) 时,在与接地设备等电位后可不接地线。
【简答题】将下列角度化为弧度 1. 60° 2. 135° 3. -180°
【简答题】将下列各弧度转化为角度。 (1) (2) (3) (4)
【多选题】硬钢的()从加载到突然拉断,基本上不存在屈服阶段,属脆性破坏