两个一组

New Zealand white rabbits (3-4 months old, 3-4 kg weight) were the test animals, and they were divided into three groups proceeding in this study. In group A:One PLLA screw and one commercial screw were implanted in the right tibia. Two PLLA screws were implanted in the left. Furthermore, one PLLA bar was implanted in both right and left tibia respectively with onlay model in group B. Also,one PLLA plate was implanted in the left tibia and one commercial plate in the right respectively with onlay model in group C . Many tests were done on each sample in 1, 4, 8 and 12 weeks which included the observation of tissue response in group A, and the change of three-points bending, weight loss, molecular weight, crystallinity and morphology of fracture surface by scanning electronic microscopyin group B, and the change of three-points bending, weight loss and molecular weight in group C.

所使用实验动物为24只3-4个月大，体重3-4公斤的纽西兰兔，并将所使用材料及动物分为A、B、C三组进行。A组中於实验兔之右胫骨植入两支骨钉，一支为自制骨钉，一支为MacroPore市售骨钉，并钻一孔但不植入骨钉做为控制组；另於实验兔之左胫骨植入两支自制骨钉，另标示一区不钻孔不植入骨钉做为控制组。B组采用onlay1 模式於实验兔之左右胫骨各植入一自制长型片。C组也采用onlay模式於实验兔之左胫骨植入一自制骨板，於右胫骨植入一市售骨板，各於不同时间点( 1， 4及12周)将A及C组，而於( 1，4，8及12周)将B组内的植入物取出进行各种测试，包括A组的组织切片观察及B组的三点弯曲变化、质量损失、分子量变化、结晶度变化及扫描式电子显微镜观察断面型态改变及C组的三点弯曲变化、质量损失、分子量变化。

This method can make sure the structure radiant sound status in total noise and the detail phonate part quickly and correctly.(3) Study on the control mechanism of structure noise radiated from rotary machines, we build a common model of rotary machine structure noise analysis relied on the general characters of rotary machines. Based on this model, we analyzed various influence factors to structure radiant noise using the union of revolution and numerical calculation method. We found that the joint stiffness between the rotor and the frame is the most sensitive parameter of structure radiant noise by calculating and analyzing.

根据本文对于旋转机械结构噪声控制技术的研究结果和惯性振动筛工作的特殊要求，对有关参数的选择进行了讨论，并通过试验为降低惯性振动筛噪声找到了两个新的方法：即，在轴间相对运动要求不高的情况下，可以在激振器与筛体之间安装一组减振器，通过适当选取减振器参数，既可以使机体在工作频率附近获得稳定振幅，保证振动筛正常工作，又可以使机体的高频响应减小，降噪效果显著；反之，如果轴间相对运动精度要求(来源：1aABC论文网www.abclunwen.com)较高，可以采用空心滚动体轴承，在保证滚动体强度的条件下也可以获得较好的降噪效果。

Here is Kellie Pickler, American Idol 2006 finalist, appearingon a quiz show:She said,"Hungry ? That's a country? I've heard of Turkey, but Hungry? I've never heard of it."

唏嘘一番。。。有位同学约莫两年前看到我的blog上贴的一组脑筋急转弯，然后天天盼着我贴答案，盼了几个月

A firewall is a system or group of systems that enforces an access control policy between two networks.

防火墙是在两个网络之间执行访问控制策略的一个或一组系统。

Narrates is a group has two time sequences .....

叙事是一组有两个时间的序列。。。。。

Two or more groups usually share the helicopter, so while you are skiing, the machine is shuttling another group.

两个或以上的团体通常共享直升机，所以当你是滑雪，穿梭在机器另一组。

Duffy were friends, school friends, in the sense that they were both part of the group of younger teachers who liked to gather at a dark Irish bar as soon as the bell rang on Friday afternoons.

从某种意义上来说，她们两个都是青年教师组的，都喜欢在星期五下午下课铃一响，就跑去爱尔兰酒吧聚会。

T-Bag arrives in San Diego at the Pacific Coast Lines station. His Bird Book has a clue that leads him to a locker and a combination.

两个带他过关的人洗劫到达了圣地亚哥的 Pacific Coast Lines 车站，他的&鸟书&引导着他找到了一个存物柜和一组密码。

Woolf, in To the Lighthouse, uses symbols, images and metaphors and other rhetoric methods to show us vivid and lively textual. This part firstly focuses on window, mirror, and the canvas these three visual images and how they reveal the relationship between the spiritual world and objective reality, also including appreciation of numerous small images.

本论文首先分析小说第一部分的窗，第二部分的镜子，和第三部分中莉丽的画布这三个长方形视觉意象和它们是如何揭示精神世界和客观现实的关系的，其次是对代表两种不同生活原则的拉姆齐先生和夫人这一组男人-空间和女人-时间隐喻的分析。

Firewall is a type of network security measure. A firewall is a system or group of systems that enforces an access control policy between two networks.

防火墙是一类安全防范措施的总称，它是在两个网络之间强制实施访问控制策略的一个系统或一组系统。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。