过定位
参考答案：
也叫重复定位，指工件的某个自由度同时被一个以上的定位支撑点重复限制。
In relation to employment law:
(b) State, with reference to relevant legislation, the situations in which an employee may be said to have been:(i) laid-off; and(ii) made redundant. (7 marks)
微型计算机散热不畅将导致元器件损坏，实验表明，温度每升高（）系统可靠性降低15%。
A.1℃
B.5℃
C.10℃
