The algorithm USES an adaptive filter to track the echo path, and an auxiliary filter to cancel the echo together with the adaptive filter.
该算法使用自适应滤波器跟踪回声信道，使用一个辅助滤波器和自适应滤波器一起完成回声消除。
The excavation technique consists of main operations including breaking, loading, haulage and support, and auxiliary work including ventilation, laying the track, digging ditches and laying pipes etc.
掘进工艺包括主要作业和辅助作业，其中主要作业包括破岩、装岩、运输、支护，辅助作业包括通风、铺设轨道、挖掘排水沟、铺设管线等等。
Extensive use of a large number of auxiliary equipment, gymnastics are from track and field, ball sports, and other salient features of a.
广泛大量地使用辅助器械，是体操区别于田径、球类等其它运动项目的一个显著特点。
Extensive use of a large number of auxiliary equipment, gymnastics are from track and field, ball sports, and other salient features of a.
广泛大量地使用辅助器械，是体操区别于田径、球类等其它运动项目的一个显著特点。
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