Communications and network technology make DDB security more complex.

It is a key problem how to ensure DDB security.

如何有效地保证分布式数据库的安全是分布式数据库应用当中急待解决的关键问题之一.

DDB was also found to inhibit topoisomerase II activity of Bel-74 02 hepatocarcinomacells.

此外,DDB还能降低从Bel - 7402细胞内提取出的DNA拓扑 异构酶II(ToPoII)活力.

Using circulators for temperature control is a well established method.

使用循环器做温控是一种古老而有名的方法.

CASE DDB is an event based debugger for debugging distributed program written in distributed C ++.

CASE- DDB是一种基于事件的调试工具,用于调试用分布式C++语言编写的分布式应用程序.

Air re-circulators made the leaves of the small grove of white oaks rustle.

空气再循环器吹得白橡木丛的叶子沙沙作响.

DDB is combination of computer network and database system.

分布式数据库是计算机网络与数据库系统的有机结合.

DDC-JQElectro-vacuum Charging Valve DDC-JQ electro-vacuum charging valve is a safety valve for vacuum, pump.

DDC -JQ 型电磁真空带充气阀是机械真空泵安全阀,安装于机械真空泵的进气口, 并与泵同步开启和关闭.

Secondly, we propose theformal definition of a DDC-LCC and an Ontology-classification-scheme mapping.

其次, 我们正式定义了DDC -LCC 之间和本体 -分 类表之间的映射.

Electro-vacuum Charging Valve DDC-JQ electro-vacuum charging valve a safety valve for vacuum, pump.

JQ 型电磁真空带充气阀是机械真空泵安全阀,安装于机械真空泵的进气口, 并与泵同步开启和关闭.

The wholesystem uses the pattern of DDC.

系统的控制方案采用直接数字控制(DirectDigitalControl,简称DDC).

This paper introduces a DDC ( Direct Digital Control ) temperature system.

介绍一种DDC ( 直接数字控制 ) 温度系统.

DDC 112 is applied in the cavity length control system of laser gyro.

介绍了DDC112在激光陀螺的腔长控制系统中的应用.

And the DDC of gauze mask is 70.58± 9.46 % while the value of AIA is 73.82±2.43 %.

牧草干物质消化率相应分别为70.58±9.46%和73.82±2.43%,二者差异不显著(P> 0.05).

The control system is computer direct digital control system ( DDC ).

控制系统采用计算机直接数字控制系统 ( DDC ).

A : After graduation. I have been working at the Personnel Department of DDD company.

我毕业后就在DDD公司的人事部工作.

The Business Center services offers, such as IDD and DDD , Typing, photocopy, Fax and Express Mail.

提供以下服务:长途电话、打字 、 复印 、 传真、特快专递 、 代售邮票 、 代发信件等.

Physiological pacemaker was implanted in 36 patients ( 12 cases used DDD pacing ).

非生理性起搏组54例,生理性起搏组36例 ( 使用DDD起搏为12例 ).

Conclusion DDD pacing is an effective form of therapy in patients with drug-resistant HOCM.

结论DDD起搏可做为药物难治性HOCM的一种有效方法.

SSS patients received AAI , DDD or VVI mode pacemakers werefollowed-up in out-patient clinic.

门诊随访132例 置 入不同模式起搏器的SSS患者.

AAI 3 cases ( 4 % ), DDD 5 cases ( 6 % ), VVI 72 cases ( 90 % ).

其中,AAI型3例 ( 4% ), DDD型5例 ( 6% ), VVI型72例 ( 90% ).