用于检定流量计的标准体积管每三年要由计量检定部门检定一次。
Standard volume pipe used for flow meter's calibration shall be calibrated every three years by metering calibration department.
新设计使用只有三支晶体管每映像点， 预留附近映像点区域 的一半为轻收藏。
The new designs use as few as three transistors per pixel, reserving nearly half of the pixel area for light collection.
“每一封信都为我们打开了另一个世界的大门。”该电视剧的导演管章文表示。
"Every letter opens another world for us," according to Guan Zhangwen, the director of the TV show.
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