【单选题】关于力矩的描述哪项是错误的()
A.
一个力施加于物体所产生的绕轴转动的作用称为力矩
D.
手指弯向力所指的转动方向时,拇指指向力矩的方向
E.
任何力对于不在力作用线上的任意点都会产生力矩
【单选题】The best times to visit Shangri-la are spring and autumn ___ the temperature is at its mildest.
【简答题】我某进出口公司与加拿大商人在 1993 年 11 月份,按 CIF 条件签订一出口 5 万码法兰绒合同,支付方式为不可撤销即期信用证。加拿大商人于 1994 年 3 月上旬通过银行开来信用证,经审核与合同相符,其中保险金额为发票金额加一成,我方正在备货期间,加商人通过银行传递给我方一份信用证修改书,内容为将投保金额改为按发票金额加三成。我方按原证规定投保、发货,并于货物装运后在信用证有效期内,向议...
【单选题】Explorer of the Extreme Deep Oceans cover more than two-thirds of our planet. Yet, just a small fraction of the underwater world has been explored. Now, Scientists at the Woods Hole Oceanographic Inst...
B.
A transporting vehicle.
【单选题】1891年,康有为在广州万木草堂讲学,其讲学强调“逆乎常纬,独辟新路”,“以孔佛理学为体,以西学为用;讲列强压迫、世界大势、汉唐政治;每讲一学,论一事,必上下古今,以究其沿革得失,并引欧美作比较证明。”这一变化()
【单选题】Explorer of the Extreme Deep Oceans cover more than two-thirds of our planet. Yet, just a small fraction of the underwater world has been explored. Now, Scientists at the Woods Hole Oceanographic Inst...
B.
A transporting vehicle.