envelops
网络包络指标；包络轨迹；例如信封；纸包
1 . He glued many envelops yesterday.
他昨天用胶粘了许多信封.
来自辞典例句
2 . Ask your friends or mother and father to save used envelops for you.
让你的朋友或父母为你留下用过的信封.
来自英语晨读30分（高二）
3 . Mossy green envelops her in the early spring, crispy and soft.
初春的时候,她浑身绿茸茸的, 又脆又嫩.
来自互联网
4 . Accompanying the darkness, a stillness envelops the city ( Curtis Wilkie )
随着黑暗的降临, 静寂笼罩了城市 ( 柯蒂斯威尔基 )
来自互联网
5 . She bought a packet of envelops at the stationery store.
她在文具店买了一包信封.
来自互联网
1 . 包络指标
三民网路书店>索罗斯都要用的METATRADER黄... ... Commodity Channel Index商品通道指标 Envelops包络指标 Force Index强力指标.
2 . 包络轨迹
the inner and outer envelopsof the annular beam in plasma are simulated with PIC code .对环形电子束入射等离子体时的内外包络轨迹进行了粒子模拟。
3 . 例如信封
offset printing is suitable for large quantity . letter heads , envelops, invoices , namecards , posters , product catalogues and booklets are some of the examples .柯式印刷适合纸张大量印刷，包括单式和彩色，例如信封、信纸、名片、单据、传单、海报、产品目录、书刊等。
4 . 纸包
Then the parents passed red envelopsto Chou Chin ., 说着 , 众人纷纷递上红纸包 , 周进收了.