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软件开发环境是支持软件产品开发的软件系统，它由软件工具集和环境集成机制构成。环境集成机制包括：提供统一的数据模式和数据接口规范的数据集成机制；支持各开发活动之间通信、切换、调度和协同的 (29) ；为统一操作方式提供支持的 (30) 。 （29）处填（）。
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WLANs are increasingly popular because they enable cost-effective connections among people, applications and data that were not possible, or not cost-effective, in the past. For example, WLAN-based applications can enable fine-grained management of supply and distribution (1) to improve their efficiency and reduce (2) . WLANs can also enable entirely new business processes. To cite but one example, hospitals are using WLAN-enabled point-of-care applications to reduce errors and improve overall (3) care. WLAN management solutions provide a variety of other benefits can be substantial but difficult to measure. For example, they can protect corporate data by preventing (4) through rogue access points. They help control salary costs, by allowing IT staffs to manage larger networks without adding staff. And they can improve overall network management by integrating with customers’ existing systems, such as Open View and UniCenter. Fortunately, it isn’t necessary to measure these benefits to justify investing in WLAN management solutions, which can quickly pay for themselves simply by minimizing time-consuming (5) and administrative chores. 2（）
在文件管理系统中，位示图（Bitmap）可用来记录磁盘存储器的使用情况。假如计算机系统的字长为32位，磁盘存储器上的物理块依次编号为0、1、2、…，那么3552号物理块在位示图中的第（）个字。
WLANs are increasingly popular because they enable cost-effective connections among people, applications and data that were not possible, or not cost-effective, in the past. For example, WLAN-based applications can enable fine-grained management of supply and distribution (1) to improve their efficiency and reduce (2) . WLANs can also enable entirely new business processes. To cite but one example, hospitals are using WLAN-enabled point-of-care applications to reduce errors and improve overall (3) care. WLAN management solutions provide a variety of other benefits can be substantial but difficult to measure. For example, they can protect corporate data by preventing (4) through rogue access points. They help control salary costs, by allowing IT staffs to manage larger networks without adding staff. And they can improve overall network management by integrating with customers’ existing systems, such as Open View and UniCenter. Fortunately, it isn’t necessary to measure these benefits to justify investing in WLAN management solutions, which can quickly pay for themselves simply by minimizing time-consuming (5) and administrative chores. 5（）
在RUP中采用“4+1”视图模型来描述软件系统的体系结构。在该模型中，最终用户侧重于 (26) ，系统工程师侧重于 (27) 。 （26）处填（）。
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