| 1. | Endometritis is a cause of infertility . 子宫内膜炎是不育的原子。 |
| 2. | Inversion heterozygotes are semi-sterile . 易位杂合体是半不育的。 |
| 3. | Pollen sterile blossoms lack normal turgor . 花粉不育的花朵缺乏正常的膨压现象。 |
| 4. | Sterility is some permanent factor preventing procreation . 不育是阻碍生殖的一种永久性因素。 |
| 5. | Infertile women have a somewhat higher risk of developing breast cancer . 不育妇女患乳癌的倾向性较高。 |
| 6. | A major barrier to interspecific hybridization is sterility in the f1 progeny . 种间杂交的主要障碍是F1代的不育性。 |
| 7. | It has been known that the self-sterility of conifers results from embryo collapse after self-fertilization . 业已知道,针叶树自花不育是由于自花受精后胚凋萎。 |
| 8. | Triploids are usually sterile and do not form a pathway by which 4n and 2n plants can exchange genes . 三倍体通常是不育的,因而不能作为4n和2n植物交换基因的途径。 |
| 9. | Germination data is needed to determine whether or not a given lot of pollen is sterile or very weak . 为了确定所收到的花粉是否不育或发芽力很弱,必须有花粉发芽的资料。 |
| 10. | Trichomoniasis is a contagious, venereal disease of cattle characterized by sterility, pyometra and abortion . 滴虫病是牛的一种接触传染的性病。以不育、子宫积脓和流产为特征。 |