许多用户使用数据库的影子副本(图4)支持基于操作数据的大型专用查询。

Many users employ a shadow copy of their database (Figure 4) to support large and ad-hoc queries against the operational data.

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为模拟电磁波在自由空间的传输状态，研制了用于生物医学工程研究的大型专用微波暗室。

To simulate transmission conditions of EM wave in free space, the biomedical microwave anechoic chamber used for biomedical engineering research was developed.

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针对大型专用铣床CX056串联式的结构和它运动部件质量大的特点，用有限元法分析了该机床的动态特性。

The dynamic properties of the large-scale special milling machine CX056 is analyzed aiming at its tandem structure and heavy moving parts.

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