设计验证通常可采取如下哪些方式()。
A.变换方法进行计算核对
B.将新设计规范与已证实的类似设计规范进行比较
C.进行试验和演示
D.抽产品检验
参考答案:A, B
若家中鱼缸里的温度是30℃,室内的温度比鱼缸里的温度低8℃,则室内的温度是______℃.
Jack has had no______ experience of this kind of job,but he got the job offer just due to his honesty.
A.obvious
B.cautious
C.previous
D.precious