衰減段長度 的英文怎麼說
中文拼音 [shuāijiǎnduànzhǎngdù]
衰減段長度
英文
attenuation distance- 衰 : 衰動詞（衰弱） decline; wane
- 段 : Ⅰ量詞（部分） section; segment; part; paragraph; passage Ⅱ名詞（姓氏） a surname
- 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
- 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
- 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
- 長度 : length; longitude; size; extent; footage
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The fatigue behavior of strength, stiffness, and deformation of concrete is analysed systematically. the fatigue equation is established. the empirical expressions of the total longitudinal strain and the elastic modulus are given, and the relationships between the increasing rate of the total second - stage strain and the decreasing rate of the elastic modulus with the cyclic number are obtained
系統地分析了砼抗拉、拉-壓疲勞強度、剛度、變形規律；建立了相應的s - n關系，提出了縱向總應變、彈性模量的經驗公式，及其第二階段總應變增長率、彈性模量衰減率分別與疲勞壽命的關系式。The pn and don were 32 % and 40 % in autumn, 31 % and 39 % in spring 1998, respectively. pn and pp in autumn shows strong vertical gradation in autumn other than spring, and other nutrient species shows relatively uniformity in vertical scale
由於秋季浮游植物優勢種為硅藻且其生物量和初級生產力均高於春季，春季優勢種則為硅藻和甲藻，結合調查海域葉綠素與化學要素間的相關程度，可推斷秋季正處于浮游植物生長的發展階段，而春季正處于浮游植物生長的衰減階段。
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