The utility model discloses an electricity meter. A photoscope with the magnification function is installed on a view window at the corresponding position of an indicating dial.
本实用新型公开了一种电表，指示盘的相应位置处的视窗上安装有具有放大功能 的透视镜。
When viewing extended objects, the apparent brightness seen in the eyepiece is a function only of aperture and magnification, it is not related to focal ratio.
当观察扩展光源时，目镜中所看到的亮度只跟孔径和放大率有关，它跟焦比并没有关系。
Based on the torsional displacement transfer function of the asymmetric structure with MTMD, the analytical expression is developed for the torsional displacement dynamic magnification factor.
基于导出的设置MTMD时非对称结构扭转角位移传递函数，建立了扭转角位移动力放大系数解析式。
Employing the formulated transfer function of the structure with the MTD-MTMD, the dynamic magnification factor (DMF) of the structure with the MTD-MTMD is defined.
利用建立的设置MTDMTMD时结构的传递函数，定义了设置MTD MTMD时结构的动力放大系数(DMF)。
Based on the formulated transfer function for the structure-LT-MTMD system, the analytical expression for the dynamic magnification factor (DMF) of the structure with a LT-MTMD is derived.
基于建立的结构LTMTMD系统的传递函数，导出了设置LT MTMD结构的动力放大系数(DMF)解析表达式。
The system does not need higher magnification to function effectively.
这个系统不需要放大有效的功能。
The system does not need higher magnification to function effectively.
这个系统不需要放大有效的功能。
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