It is difficult to show that an intervention prevents cancer, given the relatively long induction phase between exposure to an inducing agent and development of disease.
很难说一种干预方式，施予一段相对较长的介于接受诱导剂和诱发疾病之间的诱导治疗期，可以预防肿瘤。
2
If sequential pattern of grain reduction occurs, the density growth only gives information about the distribution of developmentinduction period among grains.
顺序还原时，乳剂层的密度增长速率只是给出了颗粒间显影诱导期分布的信息。
3
The results showed that static liquid culture stimulated axillary bud development and shoot growth, but AGAR media is beneficial to induction of callus and buds formation.