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- This paper explained interference factors of blank in measuring track mercury and proposed some solving methods with Cold Atomic Fluorometer. 阐述了冷原子荧光法测定痕量汞影响空白值的诸因数，提出了消除方法。
- Rotary dynamic target is the equipment for measuring tracking precision and dynamic precision of the large scale photoelectric theodolite. 旋转动态靶标是用来检测大型光电经纬仪跟踪精度和动态精度的设备。
- This paper issues a kind of angle measuring tracking method for conical scan without hollow motor in moving carrier satellite communication system. 摘要提出了一种在动载体卫星通信控制系统中，无需空心电机的圆锥扫描测角跟踪方案。
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- This rough track will soon be a metalled road. 这条坑坑洼洼的路不久就要铺上碎石了。
- I'm trying to track down my old Aunt Maud. 我正试图寻找到我那年迈的婶婶莫德。
- The cyclist went at full sail along the track. 自行车手沿着跑道全速前进。
- Bill has a feeling he is on a fast track. 比尔感觉到他正快速迈向成功。
- The new race track is nearly six miles in extent. 这条新跑道将近六英里长。
- John bears the bell in all track events at school. 约翰在学校里的各个径赛项目中都赢得第一名。
- However, employment, one of the measurements tracked by the NBER, has been falling since January. 但是，由NBER跟踪的关于就业方面的数据却从今年一月就开始下降了。
- I'm on the track of a valuable painting. 我在追寻一幅珍贵的油画。
- Keep track of the time you actually travel. 把你旅行的实际时间记录下来。
- Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
- A locomotive pounded down the railway track. 一辆机车沿着铁道隆隆地驶去。
- I like to watch field and track events. 我喜欢观看田径比赛。
- We have to keep track of every cent we spend. 我们得记下我们花的每一分钱。
- Not measuring up to standards or expectations. 不合格的与标准或期望不符合的
- What you just said is completely off the track. 你刚才讲的话彻底离题了。
- An apparatus for measuring gases. 气体贮存计量器用来测量气体的一种工具
