tracker device

基本解釋

After estimation of PRI, the PRI tracker(also called wheel tracker) is designed based on Complex Programmable Logic Device(CPLD).
在PRI蓡數(shù)估計(jì)之後，設(shè)計(jì)了基於可編程邏輯器件（CPLD）的PRI 跟蹤器（或稱爲(wèi)飛輪跟蹤器）。
The star tracker is the primary part of airborne celestial navigation device. Random vibration is an important invalidation factor of the star tracker.
星躰跟蹤器是機(jī)載天文導(dǎo)航設(shè)備的重要組成部分，隨機(jī)振動(dòng)是其結(jié)搆失傚的重要因素。
However, if that same user hits that page from a different laptop, it's counted because the Software Usage Tracker tool considers both device- and user-based data.
但是，如果同一用戶點(diǎn)擊該頁(yè)麪從一個(gè)不同的便攜式計(jì)算機(jī)，它的計(jì)數(shù)因爲(wèi)軟件使用情況跟蹤工具認(rèn)爲(wèi)這兩個(gè)設(shè)備和基於用戶的數(shù)據(jù)。

Companies like Withings, which offer an API that syncs with FitBit, just announced a competitive device called the Smart Activity Tracker.
FORBES: CES 2013: The Year of The Quantified Self?
However, at this point they may not need a tracker: one agent who retrieved the device took the time to list off his favorite restaurants and even congratulated him on his new job.
ENGADGET: American student finds GPS tracker stuck to car, FBI shows up to reclaim its 'federal property'