什么是权数?它有什么作用?
参考答案:
权数是变量值重要程度的一个标度。
权数的基本作用是用以表现它所对应的变量值在总体一般水平中所占的份额。
油系统运行和启动时,为什么要排气?
In relation to corporate governance and the duty of disclosure under s.341 of the Securities and Futures Ordinance (Cap 571):
(b) Explain the persons being bound by the duty of disclosure. (5 marks)