Depending on the type and size of the segment, DB2 can specify to create it in quadrant 4. The database Shared memory set is still limited to approximately 1gb.

根据段的类型和大小，DB 2可以指定在象限4中创建段。数据库共享内存集仍然有大约1gb的限制。

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In this paper, a new type of reality circuit of four quadrant analogue multiplier is presented.

本文给出一种新型四象限模拟乘法器的实现电路。

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Currcnt-type four quadrant converter is an AC-DC converting device with pulse width modulation, whose advantages are high power factor, low harmonic current and convenient regeneration etc.

电流型四象限变流器是一种脉冲宽度调制的交直流变换装置，具有功率因数高、谐波电流小、再生方便等优点。

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