【多选题】凸轮机构的基本运动规律有哪些,各有什么特点?
【单选题】We are clear that we can not make ____ the inconvenience caused by us.
【单选题】we regret to say that we can not make any offer as the goods are ( ).
【判断题】在(-∞,+∞) 内 都是同一函数的原函数
【单选题】题: 凸轮机构从动件不符合等加速等减速运动规律特点是()
【简答题】we can not make (nature) _________ resources, but we can gather them from the earth.
【单选题】取样量的大小以灼烧后得到的灰分含量为( )来决定。