There are two kinds of errors, cold tracking error and post-hot-tracking error.

文中着重讨论了本振频率冷跟踪误差问题。

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Consumer data protection is hot news again, along with the privacy issues raised by browser tracking and tracking software.

FORBES: The EU's 'Right To Be Forgotten': What Data Protections Are We Missing in the US?

Obama's policies appear to be tracking the overall public sentiment on what has historically been a hot-button political issue.

CNN: Obama likely to get earful on Cuba at Americas summit

Nope, instead your phone has been tracking information about its location in relation to wi-fi hot spots and cellular towers so it can figure out where it is.

FORBES: We Don't Want To Know Where You Are, Apple Says