The authors introduce a principle that the computer controls the multimedia teaching centralized monitoring system by using of DTMF. This method is simple and dependable.

介绍了一种计算机通过利用双音多频(DTMF)码进行控制的多媒体数学集中控制系统的工作原理。

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The suppression test of low-dose dexamethasone is a dependable way for the differential diagnosis between hypernephroma and simple obesity.

小剂量地塞米松抑制试验是鉴别肾上腺皮质瘤和单纯肥胖的有效方法。

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Not only is it dependable, secure, and flexible, but it is also simple to install, use, and configure-not to mention feature laden.

它不仅可靠、安全和灵活，而且易于安装、使用和配置—而且独具特色。

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