incidence

• For any given distribution, the lower the average income level, the greater the incidence of poverty .
  对任何既定的分配来说，平均收入水平越低，贫困的范围就越大。
• Ulcertitive colitis is associated with an incidence of multiple adenocarcinomas of the colon and rectum .
  溃疡性结肠类与结肠和直肠的多发性腺癌的发生率增高有联系。
• The correlation between skin cancer incidence and exposure to ultraviolet radiation is given in fig. 11-22 .
  图11-22中给出皮肤癌发病率与暴露紫外线辐射之间的关系。
• It has a higher incidence in postnecrotic cirrhosis and hemochromatosis than in laennec's cirrhosis .
  坏死后肝硬变及血色素沉着症引起的肝癌比门脉性肝硬变所引起者为多。
• An estimate of the risks in terms which may be related to the incidence of genetic disorders in man will also be given .
  与人类遗传性疾病的发生有关的危害的估计也将作出。
• The distinction is not analytically useful as it is not informative about the incidence of the tax .
  这个区别在分析中并无用处，因为它对于税收的归宿问题不能提供更多的资料。
• Improvements in drainage and fertility levels are in themselves methods of reducing the incidence of some of these weeds .
  改进排水和肥力水平本身就是减少某些杂草生长的方法。
• There is an association between airquality levels and the incidence of pulmonary disease in the world's cities .
  在世界大城市中，空气污染水平和肺病发病次数之间存在着某种关系。
• The only requirement is that you look at road at near glancing incidence because the rays bend very gradually .
  唯一的条件是要从接近掠入射的方向去看公路，因为光线弯曲得非常慢。
• The controls over the incidence of growth are exercised by a balance of factors which promote and which antagonize .
  对于生长范围的控制，是靠促进因子和拮抗因子间的平衡来达到的。