试验数据表达在笛卡尔直角坐标上的试验有()
A.击实试验
B.压缩试验
C.剪切试验
D.液塑限试验
参考答案:A, B, C
既能燥湿健脾,又能祛风散寒的药物是()
A.茯苓
B.白术
C.苍术
D.萆薢
E.威灵仙
The concept of the () states that changes related to one requirement-scope,time or cost will at least influence one other element.
A.three-point estimation
B.triple constraint
C.three wise men
D.three needs theory