下侧

Six lateral difluorine substituted tolan -type liquid crystals were synthesized via Sonogashira cross-coupling of 4-alkylphenylacetylene and 4-iodo-2,3-difluoro-1-alkoxybenzene under the protection of argon.

用邻二氟苯为起始原料，在-78℃经过两次选择性"邻位金属化"反应、醚化反应、氧化反应制得2，3-二氟-4-碘-1-烷氧基苯，再与4-烷基苯乙炔在氩气保护下进行Sonogash ira偶联反应，制备出6种侧向二氟取代二苯乙炔类液晶。

Its acoustic radiation by axis excitation, transverse excitation and their combination and their frequency-response function from 0~2kHz by the step of 2Hz are evaluated, and its modal analysis of structural-acoustic coupling is performed. Some conclusions are obtained.

主要研究了航行器在几个频率点的轴向激励、侧向激励以及它们的组合的声辐射；计算了这几种激励下0~2kHz的频率响应函数；进行了声振耦合的模态分析；探讨了肋对航行器声辐射特征的影响。

Hug your shoulder blades into your back body, and move your trapezius muscles down your back while you lengthen your neck away from your shoulders.

紧抱你的肩胛骨进入你身体后侧，当你拉长你的颈部离开肩膀时，移动你的斜方肌向下进入背部。

Methods The cuniform tissue of hypertrophic nipple and trigon skin of areolar were excised according to mark after local anesthesia .Pay attention to preserve the ducts.In advance we vertically suture the cut for establishment the diameter of new nipple. Once more we across suture the cut to shorten the nipple. The cut is inverted " T " after operation.

在每侧肥大乳头适当位置上设计2个相对的纵形楔型组织瓣和与之相连的乳晕小三角形皮肤瓣，局麻下切除设计线内组织，注意保护乳腺管，先纵形缝合，确立新乳头直径，再横形缝合，缩短乳头，使缝合后切口呈倒T形。

Dynamic simulation experiments of the two-wheeler show the consistency of the two-wheeler and the cyclist when there is a lateral disturbance force.

通过两轮车行驶动力学仿真试验，表明在侧向干扰作用力下两轮车和骑车人具有较好的运动一致性。

Methods: Microanatomical study was carried out on 28 sides of baby head with observing and measuring facial recess and adjacent structures under operation microscope, through posterior tympanum approach entering posterior tympanum.

取1~5岁儿童尸头14个（28侧）模仿经乳突后鼓室径路，进入后鼓室；在手长显微镜下观察测量与面神经隐窝相关的解剑学数据。

Methods60 sides of 30 dry temporal bone specimens had their mastoids outlined by an electric drill, and then the related structure of the posterior tympanum was exposed. Distances of the related anatomic structures were determined under surgical microscopy.

方法取成人30个干性颅骨的60侧颞骨，用耳科钻完成乳突腔气房"轮廓化"，充分暴露后鼓室的各相关结构，在手术显微镜下进行解剖学观察，并对有关结构之间的距离进行测量。

Then simulation tests of molding and UCS(unconfined compressive strength)were done with the DEM program, and the macroscopic character of different gradation and cohesion strength were compared.

然后利用离散元程序进行试件的成型和无侧限抗压强度模拟试验，对不同级配和粘结力下试件的宏观表现进行比较，并记录试件的破坏过程。

Needles with basal sheath persistent and basal scalelike leaves decurrent, cross section with 2 vascular bundles; umbo dorsal.

针叶具基部鞘宿存和下延的基部鳞片状叶，横断面具维管束；鳞脐背侧。

You can stroke a chop, or push, with two kinds of sidespin (right-to-left, or left-to-right), or straight up with only underspin.

你可以用两种侧转来搓或削一个球，或者直搓出纯下旋。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。