Quarterdeck corp. is planning a series of major upgrades to its web-compass search engine--integrating advanced agent and filtering technologies--in an attempt to improve the relevance of searches.
quarterdeck公司计划对其web-compass搜索引擎（先进的代理技术与过滤技术的结合）进行一系列重大升级，以图改进搜索的关联性。
This method contains steps as follows: pre-processing raw material, adding extracting agent which contains ionic liquid, centrifuging, filtering, purifying and condensing the extracting liquid.
该方法包括下列步骤：原料预处理，加入含离子液体的萃取剂，萃取液离心、过滤、纯化、浓缩即可。
Foltered in the filtering circulation system, the impurities in the used cleaning agent are removed, the cleaning agent becomes clean again and can be recycled, which help to reduce production cost.
清洗液经过过滤循环系统，能保证使用过的清洗液干净，无杂质，从而再生利用，以降低成本。
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