quarternary

基本解釋

Mt. Lushan with a lot of typical remains of glacier is the birthplace of the theory "Quarternary Glacier in China".
廬山是“中國第四紀冰川”學說的誕生地，是冰川遺跡最典型、最集中的山躰。
Quarternary From approx. 1 million years ago to the present; includes Pleistocene, Holocene/recent.
第四紀從一百萬年前持續(xù)至今的一個地質年代，包括更新世以及全新世(近代)。
Quarternary sand stratum development, with surface run-off directly charging the underground water exists.
第四系砂層發(fā)育，地表水對地下水有直接補給關系。
In the Tathang and Yan Mountains,incised and meandering valleys formed in Quarternary.
太行山、燕山山地中的深切曲流河穀形成於第四紀。
There are four different commutative quarternary rings with identity: Galois field F_4, Z_4, F_2 + uF_2 and F_2 + vF_2. In 1996, V. Pless and Z.
Galois域F4;整數(shù)模4賸餘類環(huán)Z4;環(huán)F2+uF2和環(huán)F2+uF2.;V