（）is more accurate and easier than Fixed Interval System ( FIS ) in the order method.
- A、Fixed Quantity System
- B、Fixed Timing System
- C、Fixed Channel System
- D、Double-note system
正确答案:A
答案解析:有
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物流员(四级)
物流员(四级)
（）is more accurate and easier than Fixed Interval System ( FIS ) in the order method.
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