Furthermore the number of channels envisioned in most wireless network schemes is still very small, and the range large (50-100 meters), so that the total number of mobile devices is severely limited.
此外,在大多数无线网络计划设想的管道数量仍然是非常小的,而范围大(50 - 100平方米),因此使得移动设备的总数量受到严格限制。
Furthermore, the applications on top of the database and its users still need to interact with it regardless of its schema evolution.
另外,数据库之上的应用程序及其用户仍然需要和其交互,不论模式如何变化。
Many Chinese companies still rely on policy support. Furthermore, restructuring and the reorientation of the economic model take time.
二是中国许多企业的经营状况还没有根本好转,仍主要靠政策的支撑。
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