The footprints, which have been dated by soot deposited from the torch the child was carrying, are estimated to be about 26, 000 years old.

从旁遗落的火炬烟灰上推断，足迹已经存在大约26000年了。

youdao

The ash contains minerals such as zircon that can be dated precisely from the radioactive decay of some of their components.

这些火山灰中含有锆石等矿物，这些矿物中的某些组分允许进行精确的放射性测年(以确定精确的年代数据)。

youdao

If information from an instrument is printed out, by the instrument, thatprintout is the original record and should be signed, dated and attached to therecord.

如果信息是从仪器中被打印出来的。这份原始打印记录应该被签上姓名、日期和相关附件附入这份记录中。

youdao

Politicians usually become infatuated with Hollywood only when they have to disguise failed policies with star power: the decline of the Clinton presidency can be dated from the time when the celebrities started outnumbering the Ivy League professors at White House dinners.

ECONOMIST: Warren Beatty��s profession

The graphics might be dated, but if screenshots from the original version are any indication, it was already well ahead of its time, so it holds up pretty well.

FORBES: 'Doom 3: BFG Edition' Review (PC)

The effect of this new provision, which was strongly pushed by the NFL in its negotiations with the NFLPA, is to create a couple of advantages for NFL teams: (1) the Tag numbers will be lower, pulling from a more dated pool of numbers, and (2) teams can now use the Tag designation as a greater leverage point in negotiations that is stronger than it was previously.

FORBES: Pro Football Players Face A Tougher Game Of NFL Tag