Like voice input, gestures complement keyboard usage activity but will not replace the need for keyboard text entry.

如同声音输入一样，手势能够为键盘的功能起到补充作用，但是却不能取代键盘进行文本输入。

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Objective: To explore the correlation between the disease activity and serum levels of complement and immunoglobulin in patients with systemic lupus erythematosus (SLE).

目的： 探讨SLE患者治疗过程中疾病活动性与血清补体及免疫球蛋白水平的相关性。

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Whole glucan particles enhance the tumoricidal activity of the innate immune system by binding to the C3 complement protein receptor CR3.

全葡聚糖颗粒通过与C3补体蛋白受体CR3结合而增强先天免疫系统的杀肿瘤活性。

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Activity streams complement them by allowing employees to keep track of activities and messages from many different networks of people, groups and even applications in a stream of content over time, again conceptually similar to Twitter.

FORBES: Corporate Microblogging Helps Employees Migrate Work Conversations Online

If true, this opens up the possibility that tax havens complement onshore jurisdictions rather than substituting for them, and that the interaction between the two increases total economic activity in the world.

ECONOMIST: The less obvious uses of tax havens