It refers to flexible timing of traffic signals.

它指的是交通信号的弹性计时。

youdao

It refers to anything that is acquired or learnt, rather than instinctive or natural.

它指的是后天获得或学习到的任何东西，而不是本能的或与生俱来的。

youdao

It refers to both the overt and the unobservable language behaviors in communicating.

这指的是交际中显性的和不可观察的语言行为。

youdao

It refers to the city of Toledo,Spain, an important religious center in medieval times.

VOA: special.2011.08.14

That is to say, it is subservient to the natural world; its importance is that it refers to that world.

也就是说，这些学科都是自然世界的奴仆;,它们存在的价值就是去解释那个自然世界。

耶鲁公开课 - 文学理论导论课程节选

It refers instead, to the concrete, collective, communal salvation from national suffering and oppression, particularly in the form of foreign rule or enslavement.

相反，它指的是很具体的，集体的，社会的拯救,把一个国家从苦难和压迫中解救出来，尤其是那些在外族统治者奴役下的。

耶鲁公开课 - 旧约导论课程节选

It refers to legislation which allows for the monitoring of UK citizens' online and mobile communications.

BBC: Queen's Speech 2013: What's expected - Bill-by-bill

Catholic leaders say it refers only to canon-law procedures and does not preclude criminal charges.

ECONOMIST: Paedophilia and the Catholic church

One, it refers very specifically to the origins of civilization and the early impulse to move megaliths.

WSJ: Levitated Mass | Arrival of a Rock Start | By Arnie Cooper