有四种

Evolution on land produces more bizarre beasts lide the sail-backed,super-predator,the Dimeterodon,the half-reptile,half-mammal Gorgonopsid and the Euparkeria,a finy reptile whose descendants will one day become dinosaurs.

四米长的海蝎子，十尺长并长有狗状头骨的哺乳动物，还有如人类头般大的巨型蜘蛛，以上提到的并非是在恶梦才会见到的生物，而是在恐龙出现前，曾经占领地球中的几种动物。

Take on more than 20 challenges to play in 4 different environments including a forest, stadium and city, each with varying weather conditions.

超过20种的挑战，四个场景，包括森林，运动场和城市，有著不同的气候条件和不同的环境。

Thirdly, a new analytical expression for the noise figure of FRA is derived.

第四，给出了一种相比已有文献更为精确的FRA噪声系数的解析表达式。

The main entrance on the north side guides visitors through a "central street" linking the old building with the new facility, allowing visitors to experience the excitement of looking onto an elevated four-lane indoor track within the large 50-foot-high volume housing three gymnasia with retractable seating for 2,100 people.

北面的大门将来访者导向一条使老建筑与新设施连接了起来的"中央街道"，在那里访客将会体验到一种视觉兴奋，能看到在50英尺高的大容量空间内有一条抬高了的、四跑道的室内跑道，该空间可安置三个带可回撤座位、供2，100人就座的健身房。

A set of FTD harmonic drive with transmission ratio 100 and involute tooth profile is development by using the method presented in this dissertation, and by the meshing law experiment and the kinetic accuracy comparison experiments between two kinds of harmonic drive, the correctness of relative theory in this dissertation is testified further.

利用本文提出的方法，成功地研制出具有渐开线齿廓、传动比为100的四齿差谐波齿轮传动装置，通过对其啮合规律的测试和两种谐波齿轮传动运动精度的对比实验，进一步证实了本文有关理论、方法的正确性。

Because many people prone to hyperextension lean too heavily on the heel, this is a good correction; remember that a goal in standing poses is to have your weight evenly balanced on the four corners of each foot (the inner and outer edges of the heel, and the inner and outer edges of the ball of the foot).

因为许多有膝盖超伸的人会倾斜并将重量太多的压在脚跟上，所以这是一种很好的纠正方式。记住，在站姿中你的目标是将重量平均分配在脚底的的四个角上（脚跟的内、外侧，脚掌的内、外侧）。

The so-called intraspecific adaptation pattern, in fact is correlative with the four aspects at the same time.

所谓的种内适应性的模式，实际上是同时在这四个方面都有相关性的。

In chapter four molecular modeling method is employed to comparatively study five S-allyl γ-hydroxy ketene dithioacetals reactions of Thio-Claisen rearrangement with and without zeolite catalysts.

第四章用分子模拟途径研究了在有、无分子筛催化条件下五种丙烯基羟基乙烯酮二硫代乙缩醛Thio-Claisen重排反应。

Any man of mine better be proud of me Even when I'm ugly he still better love me And I can be late for a date that's fine But he better be on time Any man of mine'll say it fits just right When last year's dress is just a little too tight And anything I do or say better be okay When I have a bad hair day And if I change my mind A million times I wanna hear him say Yeah, yeah, yeah, yeah, yeah I like it that way Any man of mine better walk the line Better show me a teasin' squeezin' pleasin' kinda time I need a man who knows, how the story goes He's gotta be a heartbeatin' fine treatin' Breathtakin' earthquakin' kind Any man of mine Well any man of mine better disagree When I say another woman's lookin' better than me And when I cook him dinner and I burn it black He better say, mmmm, I like it like that yeah And if I changed my mind A million times I wanna hear him say Yeah, yeah, yeah, yeah, yeah I like it that way Any man of mine better better walk the line Better show me a teasin' squeezin' pleasin' kinda time I need a man who knows, how the story goes He's gotta be a heartbeatin' fine treatin'Breathtakin' earthquakin' kind Any man of mine Let me hear you say yeah, yeah, yeah, yeah, yeah I like it that way Any man of mine better walk the line Better show me a teasin' squeezin' pleasin' kinda time I need a man who knows, how the story goes He's gotta be a heartbeatin' fine treatin'Breathtakin' earthquakin' kind Any man of mine You gotta shimmy shake Make the earth quake Kick, turn, stomp, stomp, then you jump Heel to toe, Do Si Do 'Til your boots wanna break Til your feet and your back ache Keep it movin''til you just can't take anymore Come on everybody on the floor A-one two, a-three four Hup two, hum This is what a woman wants

任何人为的矿井，最好以我为荣甚至当我一个丑陋的，他仍然好爱我我可以迟到一个日期，这很好但他最好的时间任何人为的mine'll说，它符合恰恰好当去年的着装只是有点过于紧凑而且什么问题，我还是说，最好好当我有一个坏头发日如果我改变主意 100万次；我想听听他的人都说是啊，是啊，是啊，是啊，是啊，我喜欢这种方式任何人为的煤矿更好地步行路线更好地展示我一个teasin ' squeezin ' pleasin '有点时间我需要一个人知道，如何传说他的宝贝，是一个heartbeatin '罚款treatin ' breathtakin ' earthquakin '样任何人为的矿井以及任何人的煤矿更好不赞同当我这样说，另一名女子的lookin '比我更当我对他煮晚餐，我烧黑他更说， mmmm ，我想这样说，是啊如果我改变了主意 100万次；我想听听他的人都说是啊，是啊，是啊，是啊，是啊，我喜欢这种方式任何人为的矿井更好更好的行走路线更好地展示我一个teasin ' squeezin ' pleasin '有点时间我需要一个人知道，如何传说他的宝贝，是一个heartbeatin '罚款treatin'breathtakin ' earthquakin '样任何人为的矿井让我听见你说，是啊，是啊，是啊，是啊，是啊，我喜欢这种方式任何人为的煤矿更好地步行路线更好地展示我一个teasin ' squeezin ' pleasin '有点时间我需要一个人知道，如何传说他的宝贝，是一个heartbeatin '罚款treatin'breathtakin ' earthquakin '样任何人为的矿井你一定摆动摇使地震踢，反过来，单，单，然后你跳转脚跟到脚趾，不思做童你的靴子想打破的TIL您的脚和你的背部酸痛保持movin '，' TIL的大家就不了等到大家都在地板上-一两，三四个石杉碱两种，哼声这是一个女人想要

Each litre was found to contain up to 40,000 animals, many of them species new to science.

他们发现每升海水中含有多达四万种的动物，而其中有许多是新物种。

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