" That's a fac'. We were in this neighborhood in September, " said one of the men, turning something in his hand. " I'd forgot" .

" 我们九月间来过这一带，这是事实。" 有个士兵说，一面在手里一个什么东西。" 我忘记了。" 思嘉看他手里拿的是爱伦的金顶针。

The apple fruit diameter a nd length were simulated using physiological development time (PDT), an indicator that combines important environment fac tors, such as temperature and photoperiod, as the driving variable.

苹果果实直径和长度通过生理发育时间（PDT）进行模拟，PDT是将温度和光周期等重要环境因素综合考虑的驱变量。