ON：NOT的运算符

英文缩写词ON的例句

1. The following problems will exist if the Modem and telephone lines are used to communicate. The instable Modem dial-up way leads to the interruption. The operators need waiting for the operation for a long time and it can not transmit amount of information.
2. 若采用Modem和电话线通信，则存在以下问题：Modem拨号方式不稳定，经常中断，建立通信速度慢，操作员操作等待时间长，传输数据信息量不大。
3. The Telecom operators existing business framework is based on the network for voice and exchange, which is not suitable for quick response to customers ' needs, building and delivering comprehensive data services.
4. 目前，电信运营商的业务架构基于面向语音及交换的网络，不适于快速地响应用户需求、创建和交付综合类数据业务。
5. The business operators should be responsible for the change or return of such goods when the consumers find them not in normal working conditions after two repairs during the warranty period.
6. 在保修期内两次修理仍不能正常使用的，经营者应当负责更换或者退货。
7. In H ∞ control problems, the Hankel operators are often compactor have finite rank, but for general symbols the corresponding Hankel operators may not be compact. According to this fact, it is natural to discuss for what symbols the corresponding Hankel operators are compact.
8. 通常在H∞控制问题中Hankel算子是紧的或有限秩的，然而对一般的符号，对应的Hankel算子却未必是紧的，因此，考虑Hankel算子何时是紧算子是自然的。