fossil pollen造句
例句與造句
- Pollen analysis a means of obtaining information on the composition and extent of past floras and environments by examining fossil pollen grains , spores , and similar structures in peat and sedimentary deposits
花粉分析：指通過檢測花粉化石、孢子以及在泥炭和沉積物中類似的結(jié)構(gòu)，以獲得歷史上曾有過的植物區(qū)系、組分以及分布范圍與環(huán)境信息的方法。 - Climatological data from fossil pollen , leaves and wood indicate that the cretaceous forests of northern alaska consisted of a mixed canopy that included deciduous conifers with an understory of flowering plants , ferns and cycads
由花粉、葉子和木材化石?集到的氣候資料顯示，阿拉斯加北部的白堊紀森林有混合型林冠，包括了落葉針葉林以及林下的開花植物、蕨類和蘇鐵。 - According to the re - analyses on pollen assemblages and archeological evidences in the site and related documents , this paper reconstructs the sequence of fossil pollen - pollen - vegetation - paleoclimate during the prehistoric period , emphatically discussing environment changes , the space - time distributed law on archaeological sites , the origin of culture fault and formation mechanism
本文根據(jù)孢粉學和考古學證據(jù)，結(jié)合相關(guān)文獻資料，從古地理學、考古學、歷史學等綜合研究的角度，重建史前時期化石花粉? ?孢粉植被? ?古氣候環(huán)境的演變序列，著重探討太湖流域新石器時期的環(huán)境變遷與古文化遺址的時空分布規(guī)律、文化斷層的成因及其機制。 - It's difficult to find fossil pollen in a sentence. 用fossil pollen造句挺難的