该词条未找到_海词词典

您要查找的是不是：

The chalazal end megaspore develops into the embryo sac mother cell. 合点端大孢子发育为胚囊母细胞。
With embryo sac haustorium in chalazal end,the embryo sac is Endymion type. 胚囊发育类型为英地百合型 ,合点端形成胚囊吸器。
The haustorium cellularizated from the micropylar end to chalazal end at the later globular stage. 球形胚晚期吸器自珠孔端向合点端逐渐细胞化。
It fuses with the polar nuclei that are moving towards the antipodal cells at the chalazal end. 大量图片显示了雌雄性核融合的详细过程以及多精受精现象。
After the meiosis process, the megaspore mother cell is divided into four linearly arrayed megaspores, but usually, only the one at the chalazal end is functionalized. 大孢子母细胞经减数分裂形成线形排列的4个大孢子，合点端大孢子具功能；
So it defined as crassinucellate.The megaspore mother cell divides transversally to form a linear megaspore tetrad.The megaspore at the chalazal end develops into the embryo sac mother cell. 大孢子母细胞经横向分裂后产生一直线形的大孢子四分体，之后位居合点端之大孢子发育成胚囊母细胞。
Plasmodesmata in the chalazal end wall as a site for symplastic transportation between nucellar cells and embryo sac only appear in functional megaspore and 1-nucleate embryo sac at early stage. 在功能大孢子及单核胚囊早期是通过合点端的胞间连丝与珠心细胞以共质体形式相通；
The two unequal-sized megaspores plus micropylar cell in the dyad formed a triad, in which callose disappeared in the chalazal end of the chalazal cell that developed into functional megaspore. 大多数情况下，珠孔端的二分体细胞在减数第二次分裂前或分裂的过程中退化，合点端的细胞分裂形成大小不等的两个细胞，形成三分体。
there is endosperm haustorium at chalazal end. 合点端存在胚乳吸器。
The accident put an untimely end to the party. 意外事故使聚会匆匆结束了。
The boys were itching for the lesson to end. 那些男孩子们渴望下课。
6.With embryo sac haustorium in chalazal end,the embryo sac is Endymion type. 胚囊发育类型为英地百合型 ,合点端形成胚囊吸器。
It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
The company declared a large dividend at the end of the year. 公司在年底宣布分发高额股息。
The army was disbanded when the war came to an end. 战争结束时，军队即被解散。
The two teams were all square at the end. 最后两队以积分相同而结束。
Are there any exams at the end of this term? 这个学期期末有考试吗？
The battle finally brought the war to an end. 这一仗使这场战争终告结束。
The rent is due at the end of each quarter. 缴纳租金以每季度末为期限。
Wasteful people usually end up in debt. 挥霍浪费者最后往往负债。