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我国的社区养老服务体系经过十多年的不断发展、完善,已经形成了一个,以福利服务为依托,以服务为基础,以为补充的老年人福利服务体系。

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单词互译：distance measurement：（）precise ranging：（）pacing：（）tacheometry, stadia：（）distance measuring instrument, rangefinder：（）EDM(electronic distance measurement)：（）electromagnetic distance measuring instrument:（）

单词互译：distance-measuring error:（）fixed error:（）proportional error:（）sighting distance:（）multiplication constant:（）addition constant:（）stadia multiplication constant:（）stadia addition constant:（）standard field of length:（）nominal accuracy:（）

段落翻译（手写拍照上传）：By reading the top and bottom stadia hairs on the telescope view and then the horizontal distance from center of instrument to rod can be obtained by multiplying the stadia interval factor K by the stadia interval and plus the distance C which is from the center of instrument to principal focus，i.e. D= Ks + C.

段落翻译（手写拍照上传）：Although there is a wide variety of EDM instruments available with different wavelengths, there are basically only two methods of measurement employed which may divide the instruments into two classification as electro-optical (light waves) and microwaves (radio waves) instruments.