pattern n. 1.模范,榜樣;典范。 2.型,模型;模式;雛型;【冶金】原型。 3.花樣;式樣;(服裝裁剪的)紙樣;圖案,圖譜,圖表;機構,結構;特性曲線;晶體點陣;(電視的)幀面圖像。 4.方式;形式;格局;格調。 5.(衣料等的)樣品,樣本,樣板。 6.〔美國〕一件衣料。 7.(炮彈等的)散布面;靶子上的彈痕。 8.(飛機的)著陸航線。 a pattern wife 模范妻子。 a paper pattern for a dress 女服紙樣。 a machine of a new [an old] pattern新[舊]型機器。 a cropping pattern農作制。 after the pattern of 仿…。 vt. 1.照圖樣做;仿造,摹制 (after; upon)。 2.給…加花樣,用圖案裝飾。 3.〔英方〕與…相比 (to, with)。 vi. 形成圖案。 pattern oneself after 模仿,學…的榜樣。 adj. -ed 仿造的;被組成圖案的(patterned forms【語言學】 仿造詞)。 n. -ing 圖案結構,圖形;(行為等的)特有型式。 adj. -less 無圖案的。
Meso - scale atmospheric diffusion patterns and time scales over beijing area 北京地區大氣中尺度擴散模態和時間特征分析
Diffusion patterns ; time scales ; random walk simulation ; beijing area ; historical state 擴散模態時間尺度隨機游走北京地區歷史背景
After analysis on the process of technical innovation diffusion , it introduces the diffusion pattern of technical innovation , points out that different pattern is lies in the different choice of research angle , the different type enterprise has its own effective technical diffusion pattern that most suits it ; at the same time it also proposes in the diffusion system which factors are affecting the technical innovation diffusion 在對技術創新擴散過程分析后,介紹了技術創新的擴散模式,指出模式的不同只是在于選擇的研究角度不同,不同類型的企業有最適合自己的有效技術擴散模式;同時也提出擴散系統中哪些因素影響著技術創新擴散。
To investigate the space / time distributions and occurrence and evolution of such events , the diffusion pattern over deserts , turbulent transfer features in sandstorm weather , the particle size distribution , mass concentration and its distribution , optic properties , chemical composition and physical factors responsible for the initiation of raising sands , we made integrative observation and sounding of sandstorms deep in the large - scale desert area , including tengri , badanjilin and maowusu , with the items consisting of micrometeorological measurement , 3d wind observation , data from kb - 120 and anderson samplers of mass concentrations of sands with their spectrum , the distribution of aerodynamic particle sizes from the aps3310a , retrieval of aerosols " optic depth from sunphotometer data , assay of the chemical composition by means of neutron activiation analysis ( naa ) and integrated study of all related factors for causing sandstorm to occur , based on the observations of all kinds 利用所取資料,系統分析了不同強度沙塵天氣條件下沙塵氣溶膠質量濃度和質量濃度譜、粒子譜分布、光學厚度、化學組分等特征;綜合分析了影響沙塵起動的諸物理因子在沙塵起動中的作用;用沙塵輸送模式對一次沙塵暴天氣造成的泥雨過程的形成機制進行了模擬。歷史氣象資料統計分析表明,沙塵暴有其高發期( 4 、 5月)和高發時段( 14 - 20時) , 14時到20時之間發生的沙塵暴約占沙塵暴總次數的66 。揚沙和沙塵暴天氣條件下,湍流動量通量和湍流感熱通量都是重要的湍流交換,沙塵暴發生前近地層的超絕熱不穩定對沙塵暴天氣有加強作用。