envelopment

过去式：

动词过去式: enveloped

更多词形：

名词: enveloper | 动词过去式: enveloped | 动词过去分词: enveloped | 动词现在分词: enveloping | 动词第三人称单数: envelops |

单词例句：

In this paper,we study the extra resource allocation problem based on DEA(Data Envelopment Analysis) method.

研究基于DEA(数据包络分析)方法的资源分配问题.

The papers are falling out of the envelop,push them back.

论文从封袋里掉出来了，把它们放回原处。

Make surethe stamp is properly glued to the envelop.

一定要把邮票在信封上粘牢。

She pasted the stamp on the envelop.

她在信封上粘上邮票。

The papers are falling out of the envelop, push them back.

论文从封袋里掉出来了，把它们放回原处。

I want to buy oil envelop,pls contact us for your details,tks.

我想采购汽车油封,请厂家提供产品的详细信息.

If I am lucky, I can get a gift or a red envelop, too.

如果幸运的话,我还可以得到礼物或红包哩!

The flash seems to envelop the transformer.

闪存似乎信封变压器。

Packing materials : Can be hot envelop complex psc kfilm.

包装材料：可热封的复合包装材料。