DCS有一系列特点和优点,主要表现在以下六个方面:()和()、自治性和协调性、灵活性和扩展性、先进性和继承性、可靠性和适应性、友好性和新颖性。
参考答案:分散性;集中性
Understanding, evaluating, defining, and managing expectations are essential to satisfying ______ .
A.customer requirements
B.the scope statement
C.upper management
D.functional requirements
直升机燃油系统油箱中如果含有水分,最有可能导致油箱()