河谷堆積 的英文怎麼說
中文拼音 [hégǔduījī]
河谷堆積
英文
valley fill- 河 : 1 （天然的和人工的大水道） river 2 （指銀河系） the milky way system; the galaxy 3 （特指黃河） t...
- 谷 : 谷名詞1 （兩山或兩塊高地中間的狹長而有出口的地帶） valley; ravine; gorge 2 （姓氏） a surname 3 ...
- 堆 : Ⅰ動詞（堆積） pile up; heap up; stack Ⅱ名詞1 （堆積成的東西） heap; pile; stack 2 （小山 多用於地...
- 積 : Ⅰ動詞（積累） amass; store up; accumulate Ⅱ形容詞（長時間積累下來的） long standing; long pending...
- 河谷 : river valley河谷地貌 river valley geomorgy
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In places, hill - slope debris forms a mantle over the bedrock and alluvium fills some of the valleys
在部分地方，基巖表面由巖石碎屑堆積形成覆蓋層，而部分河谷則有沖積層。At the end of late pleitocene, influenced by the climate of glacier period, the last great event of the region in the geological time was taken place so that the migration and extinction of organism species were resulted, loess accumulation was generally developed throughout the whole region, in the holocene, the most important environmental change was fluvial process, which was still influnced by two factors - neotectonics and palaeoclimatic changes
更新世晚期末，受末次冰期氣侯的影響，本區發生了地史時期的最後一次大事件，造成了物種遷移和絕滅，全區廣泛發育黃土堆積。進入全新世，本區環境變化以河流作用最為顯著，沉積物主要分佈在各大水系的河谷中，構成一、二級階地和近代河床與河漫灘堆積。Down in the columbia river valley, the waters piled up gravel and other debris into tidges as big as battleships
下面的哥倫比亞河谷中，洪水將砂礫和其他碎屑堆積成戰艦大小的山脊。
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