访问控制

What's more, with fundamental research, the following solutions were put forward: Database connectivity technology, Which can help to implement this system which works in Client/Sever mode; the method of directly giving the Database system's operating purviews to right users with the application of DBMS' s authentication mechanism, which help to control Database's access; And also has set up user's password and managed the subsystem, in order to ensure the safety of database Formulation ,typing of the report form and connection technology of the database.

这些关键技术包括数据库连接技术，以实现客户/服务器模式下的数据库开发；结合数据库管理系统的自身鉴别机制，将数据库的权限赋予用户，以控制用户对数据的访问，并设置了用户密码管理子系统，以确保数据库的安全。还有报表的生成、打印及其与数据库的连接技术。

The transaction manager mechanism is responsible for the system concurrency through the two-phase lock and time-span deadlock detection. The lock unit achieves object-level. With the help of the database diary and AI file, it provides strong ability to recover from various database breakdowns.

事务管理机构通过两阶段锁定和超时死锁检测，完成各站点用户对数据库访问的并发控制，其封锁粒度达到对象级；通过日志记录和后备文件AI，实现系统强有力的故障恢复功能。

Projector speaking of the ideal tool for speech, take you from a speech in front of the liberation of equipment, no longer have to make a gesture of sly next to the computer so that colleagues to the edge of your slides replacement pages # large and clear indication of the current slides of the title and location # let you precise control speech rhythm, the timer will display the current time and cost of the lecture time and rapid # privacy from cell phone screen to access the current slide pages Notes # speech outline WM system to support all of their phone screen resolution # Wireless, the most remote computer up to 10m, or 30 feet now he can finally use : Devlex PhonePoint v3.0 for sp some computers unusable above you in RI Your computer installation.

的语音投影机上的理想工具，从一个设备的解放阵线在施政报告中，没有必要再狡猾的姿态下的计算机，以便对您的幻灯片更换网页的优势大，同事＃的标题和地点目前的幻灯片清楚地表明＃让你精确的控制演讲的节奏，计时器会显示当前时间和演讲时间和快速＃从手机屏幕隐私成本来访问当前幻灯片页笔记＃发言提纲西医系统，以支持其手机屏幕分辨率＃无线，由现在至10米，或30英尺，现在终于可以使用：Devlex PhonePoint 3.0对菌在某些计算机里无法使用你的电脑上面安装你最偏远的计算机上的所有。

The smooth surface provides you with a lasting grip on your device and exact cutouts allow speedy access to critical controls.

光滑的表面为您提供一个持久的抓地力您的设备和精确切口允许快速访问关键控制。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。