single-shot instrument
常见例句
- The magnetic survey instrument is similar to the tool used in a single-shot survey except that camera is a modified movie camera that takes pictures every 15-20 seconds.
磁性測量儀器與單點測量所用的下井儀類似，不過它使用的攝影機是一種改造過的電影攝影機。每15~20秒鍾可以照相一次。
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