上下两件的

In this method it is assumed that when the rail is bent downward, it will be subjected to the reactive force of elastic support points, and when bent upward, the rail will sustain the reactive force of the fastenings (i.e.the weight of sleepers and the friction between sleepers and ballast).

其中假定钢轨向下挠曲时所受的是支点反力；向上挠曲时所受的是扣件反力(由于轨枕自重和轨枕与道床的摩擦力)，这两种反力按上下方向以不同的非线性关系依赖于钢轨位移。

For both pieces to have three or more colors is inevitably busy and jarring to the eyes.

因为上下两件有了三种或三种以上的颜色，所以会令人眼花缭乱。

For Rhys Meyers' office look, it created a brown, single-breasted, two-button, striped fine wool, two-piece suit in accordance with Allen's preference for warmer tones when filming in London.

就莱斯·迈耶斯办公室形象来说，这家公司塑造了一套棕色、单排双扣、带条纹细羊毛、上下两件套装，以符合艾伦在伦敦拍摄时对较暖色调的偏好。

The model is easily transported with its two-piece wings and removable Vee tail.

模型容易地与它的上下两件的厢房和可移动的V字形椽尾一起运输。

The clamp device comprises the grip part connected with the clamp part through the linking part, with the clamp part composed of concave part and the first and second arms extended to both sides, the first concave slot horizontally going through the first arm, the second concave slot horizontally through the second arm, a U shape tunnel parallel with the horizontal surface formed by two arms and with the concave part, cylinder hole set inside the top and down side all symmetrical inside the second deep slot, rotary shaft with both ends insertable to the cylinder hole, linking pole component fixed on the rotary shaft, limit component set on the first arm locking the linking pole.

本发明提供一种夹取装置，该装置包括：握持部，夹取部通过连接部与握持部连接；夹取部包括：凹形部，及由其两侧延伸的第一臂和第二臂，构成容置空间；第一凹槽，水平穿设于所述的第一臂，第二凹槽水平穿设于所述的第二臂，分别平行于凹形部及所述两个臂构成的平面，形成U形通道；圆柱形孔，对称设置于第二深槽的上下侧壁内；转动轴，两端可插入所述圆柱形孔中转动；连杆组件，固定于转动轴上；限位件，设置在第一臂上，用于锁定连杆。

The two-piece floating slab and pile cap system,with keys uncast,allowed the deck to contract freely during the posttensioning operations.

上下两件的漂浮平板和堆无边帽系统，藉由钥匙不投，允许了甲板在 posttensioning 操作期间自由地缩短。

In the first semester, based on the original German coursebook "Wirtscharft- Auf Deutsch'' and CD "Marktplatz, the teacher teaches basic knowledge on trade and business theme by theme, introduce the general information of Germany with a view that students can master professional vocabulary and expressions on this field, which will set a good foundation for their future career in Sino-German economy and trade or other related occupations.

课程分上下两学期完成，上学期以德语原版教材《 Wirtschaft - Auf Deutsch 》为主要教材，并采用德语原版 CD 课件《 Marktplatz 》，分专题学习经贸领域的基础知识，介绍有关的德国国情，掌握专业词汇和正确的语言表达，为学生毕业后从事中德经济贸易或相关领域的专业翻译工作打下良好基础。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。