Earlier studies indicated that very young school children aged between 5 and 7 showed no bias in choosing musical instruments, but their tastes become more clear between the ages of 8 and 10.
早期的研究表明，年龄在5到7岁之间的在校儿童在选择乐器方面没有偏见，但他们的喜好在8到10岁之间变得更加清晰。
As geologists mapped glacial deposits in the late nineteenth century, they became aware that there were several layers of drift, the lower ones corresponding to earlier ice ages.
19世纪晚期，在地质学家对这些冰川沉积进行定位的时候，他们意识到有好几个漂流层，位置较低的对应的是更早的冰川期。
Who asked the question: Are there percentagewise more idiots in the world today than in the earlier ages of humanity?
是谁问“按百分比计算，是不是今天的人类世界比早一点时期的有更多的白痴”？
And this in spite of the fact that our children from ages 5-18 (and often starting earlier), spend nearly half their waking hours in educational institutions.
尽管我们的孩子从5岁到18岁(通常开始的更早)耗费他们醒着的一半的时间呆在教育机构。
These three axes also defined work in the Middle Ages, the classical world, and even earlier.
这三个轴在中世纪或是更早就在工作中被定义过了。
No precise datum related to magmatism of Early Proterozoic or earlier ages is found, which might reveal the lack of old continent crust in this area.
研究表明，本区古元古代及更早时期的岩浆活动确切记录很少，反映出赣东北地区可能没有古老的陆壳。
Many great buildings (that are) built in the earlier ages are still in existence and in use.
许多伟大的建筑很早就修建了现在仍然还存在并在使用中。
Many great buildings (that are) built in the earlier ages are still in existence and in use.
许多伟大的建筑很早就修建了现在仍然还存在并在使用中。
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