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用法例句

The Present Situation and Prospect of Researches on the Tissue Culture in Coniferopsida Gymnosperms;

松杉纲裸子植物组织培养研究现状及展望

Molecular Phylogeny of Gymnosperms and the Origin of Ephedra Alkaloids;

裸子植物的分子系统发育及麻黄碱类化学成分的进化起源

The flora of Chongqing forest gymnosperms is composed of 44 species,belonging to 7 families and 26 genera and their life forms include 35 species of evergreen tree,4 species of deciduous tree and 5 species of evergreen shrub.

重庆市森林裸子植物区系有7科26属44种。

Because there are many differences between the reproduction of gymnosperm and angiosperm, more and more researchers are paying attention to the programmed cell death in sexual reproducti.

由于裸子植物与被子植物在有性生殖过程中的巨大差异,越来越多的研究者开始关注裸子植物有性生殖过程中的PCD问题。

Discovery of gymnosperm fossil in Taiyuan Formation and its geological meaning for Well Gu2 in Gubei;

孤北古2井太原组裸子化石的发现及地质意义

Lectotypifications of Four Names of Chinese Taxa in Gymnospermae;

中国裸子植物四个植物名称的后选模式指定

Progresses of Molecular Markers Application on Gymnospermae;

分子标记在裸子植物应用中的研究进展

species of Gymnospermae pollens are observed under the scanning electron microscope with photo of SEM and the morphology is described in this paper.

该文对山西产９种裸子植物花粉形态的扫描电镜观察结果进行报

fossil gymnospermous plants of the Carboniferous.

石炭纪的裸子植物化石。

Gymnosperm A general term for any seed plant except the angiosperms, characterized by bearing naked seeds.

裸子植物：被子植物以外的种子植物统称裸子植物，以种子裸露为特征。

Addenda on seed plants of Qinling Mountains--Gymnospermae and Monocotyledonae of Angiospermae

秦岭种子植物补遗——裸子植物门和被子植物门的单子叶植物

plants of the class Gymnospermae having seeds not enclosed in an ovary.

种子不为子房所包被的裸子植物门。

On the Gumnospermae Flora and the Main Point Protected Species of Sanqingshan Mt.;

三清山裸子植物区系及重点保护物种

green plant having a vascular system: ferns, gymnosperms, angiosperms.

有脉管系统的绿色植物：蕨类植物，裸子植物，被子植物。

gymnosperms with simple persistent needlelike or scalelike leaves.

裸子植物带有细小坚韧针状或鳞状叶。

a family of fossil gymnospermous plants of the Carboniferous.

石炭纪裸子植物化石的一科。

any gymnospermous tree or shrub bearing cones.

任何带有锥形球果的裸子植物。

The Design and the Programming of Gymnospermae Web Site

《裸子植物网上教程》的构思与研制

Comparative Studies on Anatomic Structures of Four Species of Gymnosperm Growing in Different Habitat;

不同生境四种裸子植物比较解剖研究

Antherozoid (spermatozoid) The male gamete of algae, some gymnosperms, and the non-seed-bearing plants.

游动精子：藻类，某些裸子植物和没有种子形成的植物中的雄性配子。

The female gametophyte is reduced, but larger than in angiosperms; it is not autotrophic.

裸子植物的雌配子体简化，但较被子植物体的体积大，不能自养。

Most angiosperm ovules possess two integuments, while gymnosperms usually have only one.

大多数被子植物的胚珠有两层珠被，而裸子植物通常只有一层。

fossil gymnospermous trees or climbing plants from the Devonian: seed ferns.

裸子植物化石树或攀缘植物，起源于泥盆纪；种子蕨。

any of various gymnospermous trees having yellow wood.

具有黄色木质的裸子植物树木的任何一种。

STUDIES ON POLLEN MORPHOLOGY OF 9 SPECIES OF GYMNOSPERMAE FROM SHANXI

山西产9种裸子植物花粉扫描电镜的观察

Adaptive Evolution in the PHY-PAS1 Domain of PHYP in Gymnosperms

裸子植物中光敏色素PHY-PAS1结构域的适应性进化