查询词典 database access

Notice in particular that some lock modes are self-conflicting (for example, an ACCESS EXCLUSIVE lock cannot be held by more than one transaction at a time) while others are not self-conflicting (for example, an ACCESS SHARE lock can be held by multiple transactions).

请特别注意有些锁模式是自冲突的（比如，在任意时刻 ACCESS EXCLUSIVE 模式就不能够被多个事务拥有）而其它地都不是自冲突的（比如，ACCESS SHARE 可以被多个事务持有）。一旦请求到了某种锁，那么该锁模式将持续到事务结束。

A two-level-caches mechanism is brought in the Generalized Framework for Access Control based on a three levels model of access, and is implemented in Red-Flag Secure OS .

本文以一个商品化安全操作系统的大量实际开发工作为基础，结合国内外在多安全政策支持框架、安全模型和安全操作系统等方面的最新研究成果，对多安全政策支持框架的理论及其在安全操作系统中的实施进行了研究。

A two-level-caches mechanism is brought in the Generalized Framework for Access Control based on a three levels model of access, and is implemented in Red-Flag Secure OS. Experiments has proved that the two-levels-cache mechanism can effectively improve performance of the GFAC.

引入&二项缓冲机制&到通用访问控制框架中，有效地解决了访问控制框架在支持多种安全政策时效率低下的问题，并建议将&二项缓冲机制&引入到访问控制框架的国际标准ISO/IEC 10181-3：1996中。

According to permission levels defined by content creators, individuals and group users are assigned to some access rights such as reading, changing, or full control. The Adobe company released the product - Adobe LiveCycle Policy Server 7.2 [8] - in December, 2006. For Adobe Acrobat's access control management, Adobe LiveCycle Policy Server provides to monitor the whole lifecycle from every document which is established or destroyed.

每位使用者或群组根据文件原始作者定义的存取层级，赋予使用权限：读取、变更或完全控制；Adobe在2006年12月发布Adobe LiveCycle Policy Server 7.2[8]，对於Adobe Acrobat文件播放器权限控管的生命周期从文件建立直到归档与销毁，之中透过发送与协同合作方式来持续保护并控管文件。

On the cd that comes with this product is an instruction manual that tells you how to access and configure the drive without installing the WD Anywhere Access software.

对附带的光碟产品，这是一个指导手册，告诉您如何访问和配置的驱动器，没有安装的WD随时随地存取软件。

When we operate all accessing databases in encapsulation at Data Access Layer by ActiveX DLL packages (DAL layer, Namely data access layer),and operate all business logic or transaction processings in encapsulations at Business Logic Layer ( BLL layer, namely business logic layer), ASP dynamic webpages are offered to the interface of user for Presentation Layer ( PL layer, Namely present layer).

使用ActiveX DLL组件将对数据库的存取操作全部封装在Data Access Layer层（简称DAL层，即数据存取层），将商业逻辑或事务处理全部封装在Business Logic Layer层（简称BLL层，即商业逻辑层），提供给使用者的界面就是Presentation Layer层的ASP动态网页。

Pro gives full access to all 124 plugin parameters as opposed to Mini that only gives access to the randomisation parameters.

亲充分进入所有124插件参数，而不是迷你，只有让进入随机参数。

As access to your data is mobile, you do not have to worry about synchronising data and carrying data on USB flash drives etc, this all saves you time and ultimately money and the freedom and mobility you will gain from such a system will only benefit your company and it's staff, allowing for home-working and emergency access 24 hours a day.

获得您的数据移动，您不必担心同步数据和进行数据的USB闪存驱动器等，这一切为您节省时间和金钱，最终的自由和调动你将受益于这种系统将不仅有利于您的公司和它的工作人员，允许以家庭为工作和紧急通道，每天24小时。

The paper first presents a linear timeconsuming model of data access through the analysis of the virtual storage principle and then gives a decision-making method for data placement and access path selection problem. In the development of this method, the concept of equivalent of virtual storage cost is defined to evaluate the data placement cost in the FC-SAN virtual storage environment.

首先通过分析虚拟存储原理提出了一个数据访问耗时的线性模型；然后，就数据放置和访问路径选择提出了一个决策方法；并在进一步探讨这一方法的过程中，定义了&虚拟存储代价当量&的概念，用以评价FC-SAN虚拟存储环境中的数据放置的代价，从而为评价以及如何选择数据放置和访问路径提供了一种定量的手段。

These choices are defined by resource type, whether you want to generate typeless or typed resources and several types of flags that determine what pipeline stages get to access the resource and how they will access it.

这些选择在资源类型定义时确定，包括是否想生成无类型或者有类型的资源，几种确定哪个流水线阶段能够读取它和怎么读取它的类型标记。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。