1·In these deputing problems, the traffic source model theory is a current research hot-point.
在这些问题中，有关业务源模型的理论是当前研究的焦点之一。
2·The main goal of this paper is to provide our understanding, proposal and guiding direction for those deputing and unsolved problems in ATM technology.
本文的主要目的是为ATM（异步传输模式）技术中一些亟待解决的和有争议的问题提出我们自己的理解、建议和指导性的思路。