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- 体积描记图由体积描记器作出的记录或轨迹
A record or tracing produced by a plethysmograph.
- 偏离地偏离惯常或预期的轨迹地
Off the usual or desired track.
- 回旋轮在游乐场中乘坐的，一串沿着一椭圆形轨迹运动的快速、突转的小车
A ride in an amusement park, consisting of small cars that move in a rapid, whipping motion along an oval track.
- 搜索，探测探测跟踪一卫星、导弹或移动的目标以确定其位置和轨迹
The process of locating a satellite, guided missile, or moving target so that its track or orbit can be determined.
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