extant number的意思|示意

The number of extant manuscripts, however few, really does not allow scholars to infer how many ancient Latin manuscripts of a work survived to the ninth, the twelfth, or even the fifteenth century.

现存的手稿，不论数量多么少，也不能让学者推断一部作品的古代拉丁手稿有多少存活到了九、十二，甚至是十五世纪。

The current number of known extant species (as of September, 2011) is 12, 337, but I am confident the true number is two or even three times higher.

目前(截止到2011年9月)已知的蚂蚁种类为12337种，但我确信，实际的蚂蚁种类数量要比这一数字高出两至三倍。

The extant ancient travel notes come up to a large number in China. Except for over 10 notes known widely, the geographers did not pay attention to most of them.

中国现存的古代游记为数众多，但是除十数种著名者之外，绝大部分并不大为地理学界所注意。

There are a number of extant copper red vessels with impressed or incised motif.

有许多现存的铜红容器或切割的印象的主旨。