| 1. | The oothecae of this species were abundant in late may and june . 这个物种的卵囊在5月下旬至6月最多。 |
| 2. | Immobilization culture of oocystis borgei and its application 波吉卵囊藻的固定化培养及利用 |
| 3. | Dropsy of the vittelline sac 卵囊水肿病 |
| 4. | The sacs may be carried around on the spinnerets , between the legs or in the jaws 卵囊也可能被放在吐丝器上,肢体间或颌中跟随蜘蛛。 |
| 5. | Silken egg sacs may be hidden in vegetation , or in crevices , or buried in the ground 丝质卵囊可能被藏在植物或石缝中,或被埋在地下。 |
| 6. | When the gametes are readily distinguished as male or female , other therms may be used such as antheridium , archiegonum , or oogonium 配子很快地分化为雌性或雄性以后,其他的细胞会形成如精子囊,颈卵器,卵囊等器官。 |
| 7. | The female stores the sperm until she is ready to lay eggs . she may lay 100 at a time , protecting them in a silken egg sac 母蜘蛛会贮存这些精液直到它为产卵做好了准备。它可以一次产100枚卵,然后将它们保护在一个丝质卵囊内。 |
| 8. | Different glands make different sorts of silk to be used for purposes including the manufacture of egg sacs , lining shelters and constructing webs 不同的腺体制造不同种类的蛛丝,其作用包括制造卵囊?划定居所?编织蛛网等许多方面。 |
| 9. | Wilmut said there were so many failures because it was difficult to ensure that the empty oocyst and the donor cell were at the same stage of the cell division cycle 威尔马特说之所以有这么多的试验失败,是因为很难保证空卵囊和供体细胞能处在细胞分裂周期的同一阶段。 |