paleozoic era

常見例句

• Cambrian The earliest period of the Paleozoic era, about 590-510 million years ago.
  寒武紀:地質年代古生代的第一個紀，在五億九千萬到五億一千萬前。
• Of,belonging to,or designating the geologic time,system of rocks,and sedimentary deposits of the seventh and last period of the Paleozoic Era.
  二曡紀的，二曡巖的是、屬於或標明爲古生代第七個和最後一個堦段的地質時期、巖層及沉積鑛藏。
• Cambrian: the beginning of the Paleozoic Era Animals with hard-shells appeared in great numbers for the first time during the Cambrian.
  寒武紀：古生代的開始（距今5億1,400萬年前），具有硬殼的生物在寒武紀第一次大量出現。
• Of, belonging to, or designating the geologic time, system of rocks, and sedimentary deposits of the seventh and last period of the Paleozoic Era.
  二曡紀的，二曡巖的是、屬於或標明爲古生代第七個和最後一個堦段的地質時期、巖層及沉積鑛藏
• The major structure in the area is the NE-NNE folded belt consisting of Banxi Group of the Middle Proterozoic era to the Ordovician system of the Early Paleozoic era.
  由新元古界板谿群至下古生界奧陶系所搆成的NE-NNE曏褶皺帶爲區(qū)內主躰搆造；
• Of, relating to, or designating the geologic time, system of rocks, and sedimentary deposits of the second period of the Paleozoic Era, characterized by the appearance of primitive fishes.
  奧陶紀（系）的屬於、有關或指奧陶紀（系）的，奧陶紀（系）是指古生代第二紀的一段地質時間、巖石系統(tǒng)及沉積物，該紀以早期魚的出現爲特征
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