玻璃清洁剂有桶装和高压喷罐装两种。
参考答案:对
优化设计中牛顿法的搜索方向是根据目标函数的_______和_______构造的。
In relation to private companies, explain the meaning of, and the procedure for passing, the following:
(a) an ordinary and a special resolution; (5 marks)