抽样: sample; sampling; specimen; ...法: law的: 4次方是 The fourth power of 2 i ...正: the first month of the lunar ...态: form; condition; appearance理论: theory抽样法: method of sampling; sampling methods; sampling procedure; sampling process; sampling technique常态理论: meso theory单形态理论: doctrine of monomorphism动态理论: dynamic theory; regime theory固态理论: solid state theory过渡态理论: transition state theory静态理论: static theory稳态理论: steadystate theory; steady-statetheory按序抽样法: sequential sampling method比例抽样法: proportionate sampling变动抽样法: variable sampling变量抽样法: variables sampling点抽样法: point sampling点样抽样法: point sampling method定时抽样法: point sample method; time sampling method动作抽样法: activity sampling多次抽样法: multiple sampling多级抽样法: multi stage sampling; multistage sampling多相抽样法: multi phase sampling; multiphase sampling