求翻译：SMJ-F采用单片机技术、混合电路技术，提高了仪器的技术含量、保密性、可靠性；缩短了原仪器的长度及外径（SMJ-D长度约7米、外径45.6）。这样SMJ-F扩大了仪器的使用范围、方便用户的维护。是什么意思？

smj-f microcontroller technology, hybrid circuit technology to improve the instrument's technical content, confidentiality, reliability; shorten the length and outer diameter of the original instrument (smj-d length of about 7 m, outer diameter 45.6). Such smj-f expanded the scope of use of the inst

F SMJ - a single-chip technology, hybrid technology to improve the equipment of the technical content, confidentiality, reliability, reduce the length of the original instruments and OD (SMJ D - length of about 7 M, diameter 45.6 ). This SMJ - F has expanded the scope of use, user-friendly.

SMJ-F uses the monolithic integrated circuit technology, the mix electric circuit technology, enhanced the instrument technical content, the secrecy, the reliability; Reduced the original instrument length and the outer diameter (the SMJ-D length approximately 7 meter, outer diameter 45.6).Such SMJ-

SMJ-F using single-chip microcomputer technology, hybrid circuits technology, improve the instrument's technical content, privacy, reliability, shorten the length and diameter of the original instrument (SMJ-D, outside diameter approximately 7 metres in length 45.6). SMJ-F expanded the use of instru

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