well-graded 中文意思是什麼
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Through synthetically study, some achievements are made as follows : 1. based on the application of sequence stratigraphy, for the first time the characteristics of sequence stratigraphy in the xicheng concentrated mineralization area are discussed systematically and 13 three graded imperfect sequences of devonian stratum are recognized. the result shows that hydrothermal sedimentary mineralized type and hydrothermal sedimentary - rebuilded mineralized type ore deposits occur in intergrade between two sequence, as well as occur in intergrade between highstand systems tract and transgressive systems tract
通過對該區礦床成礦作用的綜合分析研究，取得了如下一些成果和認識： 1 ）應用層序地層學理論，首次系統論述了該區泥盆系層序地層的特徵，識別出13個不完整的三級層序，並進行了區域對比。層序地層分析發現海底熱水沉積型礦床和海底熱水沉積-改造型礦床的賦礦部位是兩個層序的過渡部位，既高水位體系域向海侵體系域過渡。 -
In the present dissertation, the densification mechanisms and the structure controlling of various transient layers of w - mo - ti flier - plates with graded wave impedance were mainly investigated. wholly dense w - mo - ti flier - plates were then prepared by powder stacking and hot - pressing. in order to achieve a required wave impedance profile and a quasi - continuous change along the thickness direction, the ratios of components in transient layers were well adjusted
論文採用粉末冶金方法，詳細研究了w - mo - ti體系梯度飛片材料中各組元的燒結緻密化機理與控制方法，以精細控制不同配比的混合粉末的鋪填方式與鋪填結構來減小梯度飛片材料內部波阻抗值的躍變幅度，成功制備出波阻抗按指定分佈特徵沿厚度方向準連續變化的、波阻抗面平行度高並且整體緻密的w - mo - ti體系梯度飛片。 -
New star - graded hotels & resorts, casinos, large - scale shopping centers, entertainment facilities as well as tourist attractions could be seen everywhere in macau
新建設的星級度假酒店、博彩娛樂場、大型購物商場、娛樂設施及旅遊景點將隨處可見。 -
Well - graded soil
級配良好土 -
Has now been completed with well equipped conditions so called clear and open in seven aspects with graded site, namely, supply of water electricity, natural gas, heat, separate drainage systems for waste water and rainfall, and reasonably leveled site
北京經濟技術開發區籌建於1991年8月15日，是國務院批準的國家級開發區。一期開發面積15平方公里，現已完成了開發區3 . 256平方公里的基礎設施建設，實現了「七通一平」 。 -
However, the performance of thermoelectric materials can be optimized if various materials with different properties are arranged along the temperature axis to form a graded or laminated thermoelectric material. in the present work some homogeneous materials such as bi2te3 - and fesi2 - based thermoelectric materials as well as pseudo - binary alloys ( pbte ) 1 - x ( snte ) x ( 0 x 1 ) have been prepared, their thermoelectric properties have been measured, and the possibilities for constitution of laminated structures have been discussed. the processes for preparation of laminated thermoelectric materials and the thermal stress buffer layers sandwiched between thermoelectric material segments have been studied
本項工作主要包括： 1 ）均質熱電材料bi _ 2te _ 3基、 fesi _ 2基以及膺兩元合金（ pbte ） _ （ 1 - x ） （ snte ） _ x （ 0 x 1 ）的制備與性能研究，適合於製作梯度功能材料的各種均質熱電材料的篩選； 2 ）異種材質及近乎相同材質疊層材料制備工藝的研究以及熱應力緩和層的研究） ； 3 ）採用sem 、 edax 、 empa 、 xps等多種手段，對界面處微觀組織結構、擴散與反應的分析； 4 ）採用數學建模計算及實驗測量，對兩元和多元疊層熱電材料的結構設計以及性能和熱穩定性的研究。 -
Five factors as the motive force for the tourist development in guizhou karst terrain were proposed. the growth pole of tourist economy in guizhou karst terrain was defined in the initial use of the shift - share analysis. in the end, a tourism economic circle of guizhou karst terrain was constructed, as guiyang, anshun and zunyi being the first - level tourist circle, high graded roads as well as national and provincial highways being the axis, and the kernel layer, hinterland layer, radiation layer and extension layer of the tourist economy being the spatial radius
通過對區域旅遊整合模式的概述，結合貴州省情，選擇了適合貴州喀斯特地區旅遊業發展的「點-軸-圈」模式;提出了貴州喀斯特地區旅遊發展的五個動力因子;首次採用「份額?偏離分析法」確定出貴州喀斯特地區旅遊經濟增長極;最後以貴陽、安順、遵義為一級旅遊中心，以高等級公路、國道、省道為軸線，以旅遊經濟的核心層、腹地層、輻射層和擴展層為空間半徑，構建出貴州喀斯特地區旅遊經濟圈。
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