第四紀冰代 的英文怎麼說

中文拼音 [dìsìjìbīngdài]
第四紀冰代 英文
quaternary ice age
  • 第 : Ⅰ助詞（用在整數的數詞前 表示次序） auxiliary word for ordinal numbers Ⅱ名詞1 [書面語] （科第） gr...
  • 四 : Ⅰ數詞（三加一后所得） four Ⅱ名詞1 [音樂] （中國民族音樂音階上的一級） a note of the scale in gong...
  • 紀 : 紀名詞（姓氏） a surname
  • 代 : Ⅰ動詞1 （代替） take the place of; be in place of 2 （代理） act on behalf of; acting Ⅱ名詞1 （歷...
  • 第四 : fourth第四產業 quaternary economic sector
  1. Studies of the petrology, textures and structures, depositional environment, contained fossils and age of the fluvial - lacustrine deposits indicate that they are the earliest record of the epiglacial area of the quaternary glacial period, representing the lower boundary of the quaternary glacial period

    對該河湖相沉積的巖石、結構構造、沉積環境、所含化石特徵和形成時代等的研究表明，它是第四紀冰期冰緣區的最早沉積記錄，也是第四紀冰期的下限。
  2. Abies yuanbaoshanensis having survived the quaternary period ice - age is significant not only to studying the occurrence and evolution of the chinese ancient south plant flora but also to the ancient climate and geography. especially, it has the scientific value of inquiring into the climate of the quaternary period ice - age and is called live fossil because it could provide the basis for studying the climatic change and the changes of plant

    元寶山冷杉是第四紀冰期倖存下來的瀕危物種，在廣西的發現，對于研究我國南方古代植物區系的發生和演變，以及古氣候、古地理有重要意義，特別是對第四紀冰期氣候的探討有學術價值，它是研究氣候變化和植物變遷的依據，是活化石。
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