化石人类

In 2000 Xu Xing and his colleague discovered that certain dinosaurs had the features of animals perching on trees.

中国科学院古脊椎动物与人类研究所徐星、周中和博士及其同事于辽宁省的恐龙化石材料中发现，鸟类的祖先恐龙长着4个翅膀，很可能具有滑翔能力。

What is perhaps worse, most organic materials are perishable.

并不是所有的人类行为都留下化石。

The Piltdown Man is a famous hoax in which pieces of a skull and jawbone found in 1912 were believed to be the fossilized remains of an early form of human being.

皮尔当人是次有名的骗局，多块头骨和颚骨于1912年被发现，并被认为是早期人类化石的遗骸。

Results: The profiles of split trace of 40 bone fossil samples respectively from Stegodon orientalis, Chinese rhinoceros, Cervus and other mammalian fauna were identified, some of them were found blunt and might be rodent bite marks.

结果 经40件东方剑齿象、中国犀、鹿等残骨化石标本断裂痕迹剖面的观测，发现有部分骨化石断裂剖面圆钝，似啮齿动物的咬痕，但大部分骨化石断端剖面呈锥形切削改造，有的双面削刮呈锐利器型，有的存在明显打击或铲刮的"印记"，初步认为属早期人类制作骨器的遗迹。

However, with the advancement of technology, modern chemical industries as well as the use of fossil fuels in mankind's daily lives which emit carbon dioxide, nitrogen oxide, sulphurate oxide and suspended air particulates etc.

然而伴随着科技日新月异的提高，现代化工产业以及人类生活中使用化石燃料所产生的二氧化碳、氮氧化物、硫氧化物与可悬浮颗粒物等可以改变原有的空气组成，并引起污染，造成全球气候变化，破坏生态平衡，影响人们的身体健康和生活质量。

But because soft tissue like the vocal cords, larynx, tongue, uvula and brain are not preserved in the fossil record, we don't know when our ancestors evolved the physical capacity to make speech or how long it took to develop.

然而由于诸如声带、喉、舌头、小舌以及大脑这样的软组织并没能保留在化石当中，所以我们的祖先究竟是在什么时候进化出说话的能力，以及经过多长时间这种能力才最终被人类掌握，我们不得而知。

Within the boundaries of China the paleolithic period early time most important anthropolite, is a person from Beijing.

中国境内旧石器时代早期最重要的人类化石，是北京人。

In the Taiwan early time resident, majority is direct or migrates indirectly from mainland China comes. in 1971 and in 1974, two times had discovered in the Taina County Zuo VillageTown until now Taiwan earliest anthropolite, is named as "the zuozhen man".

台湾早期住民中，大部分是从中国大陆直接或间接移居而来的。1971年和1974年，两次在台南县左镇乡发现了迄今为止台湾最早的人类化石，被命名为&左镇人&。

Paleolithic period intermediate stage important anthropolite, has Ma Baren, the Changyang man, Ding Cunren and so on.

旧石器时代中期的重要人类化石，有马坝人、长阳人、丁村人等。

The known China earliest primitive anthropolite discovery to a Yunnan Yuan stratagem, is apart from the now approximately for 1.7 million years.

已知中国最早的原始人类化石发现于云南元谋，距今约一百七十万年。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐