请参阅：收集要素类型 variable lead time（可变提前期） 生产一个附加的单位装配件所需的时间。您可以按可变提前期乘以订货量，再加上物料的固定提前期来计算物料的总提前期。
双语例句
1
Enter the desired VariableLeadtime and save the form.
输入想要的变量导致时间和保存的形式。
2
Optimal inventory model with variableleadtime, shortage and deteriorating items is discussed, the rule of deteriorating rate changing with lead time is taken.
建立了在可变提前期下允许缺货和产品有损耗的最优化库存模型，提出了损耗率是随着提前期变化的规律。
3
It is great important to study an inventory model for deteriorating items with variable positive leadtime where items deteriorated at a constant rate.