| 1. | Follow material ecn and reduce ecn obsolete cost
跟进材料工程更改通知，减少因工程更改而导致的报废。 |
| 2. | Poor ecn management . no filing , no record , no follow up
极差工程变更管理,没有存档,没有纪录,没有跟进 |
| 3. | Ecn explicit congestion notification
显示拥塞通告 |
| 4. | Ecn engineering change notice
工程变更通知供货商 |
| 5. | Ecn emergency communications network
应急通信网络 |
| 6. | Ecn engineering change notes
工程变更通知供应商 |
| 7. | To be responsible for ecn development , revision , issue , register
负责工程修改通知单的起草，审批，发放，登记的工作。 |
| 8. | Prepare printing process documents and updated them according to ecn
编制印刷工艺文件，并根据ecn对工艺文件进行更新。 |
| 9. | It is up to only engineering to decide for ecn . no systematic ecr feedback
一般由工程部决定ecn ,没有工程变更要求管理系统 |
| 10. | Further , combat channel errors algorithm of collaborating mdc and ecn is presented for video
进一步地,提出md - 3d - spiht与差错隐藏的联合抗误码算法。 |
