沙丘成層 的英文怎麼說
中文拼音 [shāqiūchéngcéng]
沙丘成層
英文
sand dune deposit- 沙 : 沙動詞[方言] (搖動以清除雜物) shake
- 丘 : 名詞1. (小土山; 土堆) mound; hillock 2. (墳) grave 3. (姓氏) a surname
- 成 : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
- 層 : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
- 沙丘 : sand dune; dune; downsand; tibba; touradon; bhit; xerophorbium
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Root distribution and canopy structure parameters of s. godejevii in different sandy land habitats ( semi - fixed sand dunes, fixed sand dunes and inter - dunes low land ), as well as species composition and their frequency in the herb layer of the scrubs, were compared the results were as follows : the population hi the semi - fixed sand dunes had the most developed root systems, followed by he population in the fixed sand dunes, and that hi the inter - dunes low land was the last
為了更有效地利用這一重要植物資源,本文對分佈於渾善達克沙地三種不同沙地生境(半固定沙丘、固定沙丘、丘間低地)黃柳灌叢的根系分佈,冠層特徵進行了研究,同時測定了灌叢下草本層植物種類組成及頻度,結果表明:半固定沙丘上的黃柳根系最發達(根系分佈深,數量大) ,固定沙丘的黃柳明顯不及前者,而丘間低地的黃柳根系最不發達。Layers of carbonate limestones, silty mudstones, quartz sand and solidified lava show that within the past 600 million years, this area was a warm, shallow sea, then a muddy swamp, then a vast desert of shimmering hot dunes, then a glacial ice sheet, then a shallow sea once again
層層的碳酸石灰巖、粉砂質泥巖、石英砂和凝固的熔巖,顯示在過去六億年間,這個區域曾經是溫暖的淺海,接著依序變成泥濘的沼澤、擁有炙熱沙丘的廣闊沙漠,然後是冰川,后來又再度成為淺海。
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