glacial periods

同根派生

Two thirds of the continent was covered in ice during glacial periods.
該大陸的三分之二地區(qū)在冰河時(shí)代被冰覆蓋著。
Relating to or occurring during the time following a glacial period.
冰期后的與冰期后的時(shí)期有關(guān)的，或在冰期后的時(shí)期里發(fā)生的
Two thirds of the continent is covered in ice during glacial period.
該大陸的三分之二地區(qū)在冰河時(shí)代被冰覆蓋著。
It is concluded from our study results that the coastal dunes outside the Qilihai lagoon are inherited dune complex formed from the eolian dunes in the last glacial period.
研究認(rèn)為，七里海外的海岸沙丘群是在末次冰期時(shí)期風(fēng)成沙丘群的基礎(chǔ)上演化形成的繼承性沙丘綜合體。
Stratospheric ice clouds promoted the destruction of ozone radiation shielding of the Earth resulting in biotic catastrophes which usually follow the glacial periods.
平流層冰云促進(jìn)了對(duì)臭氧輻射盾牌的破壞，從而導(dǎo)致繼冰期之后的生物災(zāi)難。