河北平原南部曲周地区的全新世地层，在埋藏深度、地层厚度、堆积速率和颜色、粒度结构、孢粉含量与种属等方面，与河北平原其他地区不同。
The Holocene stratum of Quzhou district is quite different from other areas of Hebei Plain in terms of the buried depth, thickness, depletion rate, color, grain size, structure and pollen assemblages.
目前的孢粉学方法将表土花粉鉴定到属的水平都十分困难，因此造成依据花粉图谱进行植被重建的时候出现无法矫正的误差。
We developed a new approach to identification of Chenopodiaceous pollens in surface soils to the species level while current palynological methods have less ability to do so even at a genus level.
空气中花粉粒的调查研究属气传孢粉应用学科，它正愈来愈受到临床医学界的重视。
The investigation of airborne pollen grains belongs to the applied aeropalynology, which is getting more and more attention in clinical medical subject.
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