present and absent method 中文意思是什麼

present and absent method 解釋
隱現法
  • present : adj 1 在座的,出席的,在場的,到(場)的;現存的,存在的 (opp absent)。2 現在的,今天的,當前的...
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • absent : adj 1 不在的,缺席的,缺勤的 (opp present)。2 缺少的,無。3 不在意的,茫然的,恍惚的。vt 使缺席...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The al matrix composites by reaction synthesis put up high mechanical behavior, well high - temperature properties and excellent wearing quality but the existent difficulties lie in that homogenizing method is not perfect, fundamental research to growth mechanism is absent and the concomitance compound come from reaction is difficult to eliminate at present

    反應合成的鋁基復合材料具有常溫力學性能高、高溫性能好和耐磨性突出的優點,而存在的主要研究難題則是整個材料均質化方法不理想、生長機制等基礎理論研究缺乏、反應伴生的化合物難以控制等。
  2. So the topic for farther discussion will be developed on the ground of soil - foundation - structure interactions, and em phasizes particularly on the investigation for dynamic effects on interaction of pile - supported structures subjected to lateral seismic load at layered - soil media. it will provide engineering application with practical and concise computational method, but also provides the aseismatic design for pile - supported structures with proper theory foundations and schemes to some extent on condition that definite codes are absent at present. the full article is divided into six chapters, as follows : 1

    本論文工作將圍繞地基-基礎-上部結構共同作用這一課題作進一步探討,側重於水平地震作用下層狀地基土中的樁基-建築物的動力相互作用的研究,為實踐應用提供了適合於工程目的的、比較簡捷的實用計算方法,亦擬為沒有明確規范指導的樁(土)基礎-結構抗震設計提供一定的理論依據和設計建議。
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