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P. denasta harbored the three chlorotypes, two of which were characteristic of its two parental species respectively. The third chlorotype was extensively distributed in seven of the ten P. densata populations analyzed, and might represent a mutation type or have been derived from an extinct parent. Population differentiation of P.

TT和GC分别是油松和云南松种特异性叶绿体单倍型，而在高山松群体里则三种单倍型均有分布，而且TC单倍型广泛地分布在7个杂种群体中，该单倍型很可能来源于点突变或第三个已灭绝的亲本。rbcL基因检测到的高山松群体分化系数很高（G〓=0.533）。

A Thraco-Phrygian language spoken by the ancient inhabitants of Phrygia and now extinct--preserved only in a few inscriptions.

古佛里吉亚人说的雷斯-弗里吉亚语现在已经绝迹只保留于部分题词中。

Some palaeontologists think them members of a phylum that is now extinct.

有的古生物学家认为它们属于已经绝迹的一门动物。

During the Qing dynasty, traders in Fujian also used pidgin English as a common language, although this is now extinct.

清朝年间，闽商曾以洋泾滨英语进行交流，但这已成为过去。

Extinct species of primitive hominid with upright stature but small brain; formerly Pithecanthropus erectus.

已经灭绝的原始人种，直立但脑子小；以前的爪哇直立猿人。

An extinct primate postulated from bones found in Java in 1891 and originally designated Pithecanthropus erectus because it was thought to represent a species evolutionarily between ape s and human beings.

爪哇猿人一绝种的猿人，据1891年爪哇发现的骨头推测出，因为认为它可能属于一种介于猿与人之间的物种，所以早先将其认定为爪哇直立猿人。

Extinct beavers of the Pleistocene; of eastern and southern United States.

已灭绝的更新世海狸；分布于美国东部和南部。

Nessie enthusiasts believe the creature is a plesiosaur - an aquatic reptile that appeared at the start of the Jurassic period and is widely believed to be extinct.

尼斯湖水怪迷认为，这种动物应该是一种蛇颈龙。蛇颈龙是一种水生爬行动物，生活在侏罗纪初期，很多人认为它们早已灭绝。

Any of various extinct elephantlike mammals of the genus Stegodon and related genera, of the Pliocene to the Pleistocene.

剑齿象任一种剑齿象属及相关属的已灭绝象形哺乳动物，存在于上新世到更新世

The Pochard, a diving duck was thought to be extinct.

专家认为，潜鸭现在已经灭绝。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。