Marginal posterior distributions of failure rate in last phase are derived under the assumption that the development process constrains the failure rates to be nonincreasing.
在假设研制过程中失效率是非增的约束下，导出了最末阶段失效率的边缘验后分布。
Objective: To find out the influence of development of the posterior ethmoid sinus on surgical approach via saddle area.
目的：为了了解后筛窦气化发育对前颅底外科及蝶鞍区手术的影响及术前指导意义。
In the development of insects, the anterior-posterior and dorsal-ventral of embryo are determined by maternal genes' products independently.
在昆虫的早期发育中，胚胎的前后轴和背腹轴分别独立地由母性基因产物决定。
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