| 1. | Its native gymnosperms could evolve into a few species capable of growing in the warm, moist forests of queensland . 本地的裸子植物可进化成能在昆士兰温暖湿润林区的树种。 |
| 2. | The occurrence of haploid endosperm in the gymnosperms provides a sound basis for further investigations into progenies . 裸子植物中单倍体胚乳的存在,为进一步对于后代的研究提供良好的基础。 |
| 3. | Review on the megastrobilus theories of conifers 松杉类裸子植物的大孢子叶球理论评述 |
| 4. | 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。 |
| 5. | 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。 |
| 6. | Most gymnosperms retain archegonia except for the most advanced genera gnetum and welwitschia 除了买麻藤属和百岁兰属以外大多数裸子植物还保留有颈卵器。 |
| 7. | The evolutionary implicati on of our results for genome structure , gene evolution , and speciation inferences are discussed 有限的研究限制了对裸子植物rdna的了解。 |
| 8. | 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。 |
| 9. | The process is restricted to certain angiosperms but a primitive form is known from some gymnosperms 此过程仅限于某些被子植物,但从裸子植物中也发现了一些较原始的形式。 |
| 10. | 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。 |