社会交往、社会等级、亲属关系以及社会交换中的社会生物机制通过脑回前侧背面发生作用。
Sociobiological systems involved in peer affiliation, social hierarchy, kin recognition, and social exchange operate through the dorsal anterior cingulate gyrus.
进行程控交换机数据库编程以及常规服务变更，以控制所有酒店内所有电话机的服务等级。
Performs PABX data-base programming and regular service change to control class of service on all telephone sets in the hotel.
免费的目录通常要求交换链接，但是你应该记住，如果你有在你的网页有很多链接，搜索引擎可以减少您的网页搜索引擎结果排名或等级。
The free directories usually ask for link exchange, however you should remember that if you have many links on your web page, search engines can reduce your page ranks or rank on search engine result.
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