stratified medium 中文意思是什麼
stratified medium
解釋
成層介質- stratified : 層化的
- medium : n （pl dia ）1 媒介物；傳導體；媒質，基質，介質，介體；中間物；環境、生活情形。2 手段，方法；媒介...
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Through questionnaire, we know the present situation of secondary school teachers ' understanding of self - regulated learning, and give our solutions on these questions. to make the investigation representative, this research adopts the way of the stratified random sample and in the three different levels of schools in the whole city - high quality, medium quality, low quality
為保證調查取樣的代表性，本研究採用分層隨機抽樣法，即按照重點學校和非重點學校，非重點學校又分為較好的學校和較差的學校的標準，在全市中學中隨機抽取300名一線教師，進行實測。 -
Dynamic displacement field caused by seismic rupture in a stratified medium using discrete - wavenumber method
用離散波數法計算層狀介質中地震破裂產生的動態位移場
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