Ultra Short Baseline (USBL) Position System is an under water acoustic Position system, which realize Position, track and data communication to several under water cooperative targets.

超短基线定位系统是利用水声定位技术实现对多个水下合作目标进行定位、跟踪和数据传输的系统。

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"It is a double track approach,of course, to have a very clear position on sanctions, not only on Security Council, but specific new measures from the European Union on the financial side - on the oil and gas sector, in all elements that can give to Iran a very clear message that they have to move and respond to the requirements of the international community."

VOA: standard.2010.07.28

So because so much popular music and particularly rock music has those chords in root position we can track them more readily.

因为很多流行音乐尤其是摇滚乐会在原位上添加这样的和弦,这样听起来会比较悦耳。

耶鲁公开课 - 聆听音乐课程节选

Less than 5% of our B2B members are in a position to track true marketing ROI.

FORBES: Demonstrating the Value of Marketing

It could be that, with this new rule, having track position could change from being a blessing to a curse.

BBC: How new rules could change the F1 championship

It is almost impossible to get hired for an executive-track position at any other time of year, or any later in life.

ECONOMIST: The perils of a frigid labour market