测定土的含水量,以了解土的含水情况,也是计算土的()和其他物理力学性质不可缺少的基础指标。
A.孔隙比
B.天然密度
C.液数指数
D.饱和度
参考答案:A, C, D
实验对象是指实验课题所涉及的实验研究总体;实验样本是从实验对象群体中抽取出来,用于直接考察的受试个体。
Which one is not the effect of Methadone maintenance()
A.Keep the patient from going into withdrawal
B.Keep the patient comfortable and free from craving street opioids
C.Restrain the effects of street opioids
D.Help the patient cease the opioids drug immediately