They are very close and with the kind of determination that we have seen this week, this is an area where they are very optimistic in terms of stopping polio transmission.
他们离目标已经很近了。在制止小儿麻痹症传播方面，我们对这一地区非常乐观。
As the popularization of the digital cable TV in China, it is in dire need of designing the transmission and receiving digital TV system in self-determination.
随着中国数字有线电视的推广和普及，开发以自主芯片为核心的数字有线电视接收方案具有重要意义。
The article introduces choices of direct purge on gas transmission system displacement method, determination of purge criteria, its technological process and control, then its reliability.
介绍城市煤气输配系统置换方式的选择、置换参数的确定、置换工艺流程及指标的控制，说明直接置换方式的可靠性。
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