螺旋轴

Leaves in spirals or rarely opposite, pinnate; leaflets alternate, subopposite, or alternate, petiolulate, not always an equal number on each side of rachis; leaflet blade base usually oblique, margin usually entire, very rarely serrulate.

叶螺旋状排列或很少对生，羽状；小叶互生，近对生，或互生，具小叶柄，轴两边小叶数量不总相等；小叶叶片基部通常偏斜，边缘通常全缘，极少有细锯齿。

Its high speed is between 4000-500 stitch per minute.It adopts the designs of cam controlled swing needle bar,eccentric hook shaft compensation mechanism,hanging thread link feed mechanism,turing takeup lever,oil pump suto lubrication mechanism.

其最高缝速在4000-5000针/MIN之间，在结构上采用凸轮机构控制针杆摆动、偏心旋梭轴补偿机构、悬结式连杆送料机构、旋转式桃线、螺旋油泵自动润滑系统等设计。

Objective: To study the features and clinical significance of Spiral CT axis, multiplanar reformation and three Dimension (3D) reconstruction images in talus fractures.

目的：研究距骨骨折螺旋CT轴扫、多平面和三维(3D)重建图像的特点及其临床意义。

The floral primordium is initially circular, along with the edge of which slight concaves occur. The outmost whorl of tepal primordia arises as a result of apical meristem division and the floral primordium then is in the shape of triangle. Two further whorls of tepal primordia arise in spiral acropetal sequence and are alternately arranged. When the innermost whorl of tepal primordia is at the late developmental stage, the foremost stamen primordia arise almost simultaneously in spiral acropetal succession and all of the stamen primordia are ultimately arranged in a triangle-cone form. Late in stamen primordium development, carpel primordia arise as same as the young stamen primordia and grow laterally. Grooves are present on the adaxial side of each carpel and develop into ventral sutures gradually closing up.

观光木的花原基最初为近圆形，随着顶端分生组织的活动，花原基边缘处出现浅凹，形成第一轮花被片原基，此时，花原基呈三角形排列，后两轮花被片原基依次发生，与前一轮互生；在内轮花被片发生的后期，最初几枚雄蕊原基几乎同时出现，呈螺旋状向顶发生，最后排列成三角圆锥状；雄蕊原基发育后期，心皮原基开始发育，形状与发育初期的雄蕊原基相似，随后心皮原基进行侧向生长，在近轴面出现浅凹，进而发育为凹槽，形成腹缝线，最后腹缝线完全愈合。

Specializing in the production of automotive fuel pump series, automotive air-conditioning electrical and mechanical wind pivotal series of pump drive shaft, high-strength non-standard spiral series of more than 200 varieties, all types of existing staff and technical staff of 120 people, the annual production capacity of 10 million super.

专业生产汽车燃油泵系列，汽车空调风机电枢轴系列，机油泵传动轴，高强度非标螺旋系列200多个品种，现有员工及各类技术人员120人，年生产能力超千万。

For bulk lamella-forming diblock copolymers, perpendicular lamellae and concentric lamellae spontaneously form under the neutral and strongly preferential surface, respectively. When the surface preference is relatively weak, novel structures such as parallel lamellae, helices and catenarian structures are observed.

对体相形成层状相的双嵌段共聚物，我们发现在中性孔壁下共聚物自组装形成垂直于孔壁的垂直层结构，在强选择性孔壁下形成一系列的同心层结构，而在弱选择性孔壁下形成平行于孔轴的平行层、螺旋和链节等新奇结构。

A unisexual reproductive structure of gymnospermous plants such as conifers and cycads, typically consisting of a central axis around which there are scaly, overlapping, spirally arranged sporophylls that develop pollen-bearing sacs or naked ovules or seeds.

球果单性裸子植物的生殖器，例如针叶树和铁树目植物，一般由覆满鳞片和褶皱的中心轴构成，长螺旋状排列的孢子叶，孢子叶最终成为花粉囊或裸露的孢子或种子

A unisexual reproductive structure of gymnospermous plants such as conifers and cycads, typically consisting of a central axis around which there are scaly, overlapping, spirally arranged sporophylls that develop pollen-bearing sacs or naked ''.

球果单性裸子植物的生殖器，例如针叶树和铁树目植物，一般由覆满鳞片和褶皱的中心轴构成，长螺旋状排列的孢子叶，孢子叶最终成为花粉囊或裸露的孢子或种子

The dynamic equations of helically buckled pipe string in vertical wells are a group of high order nonlinear ordinary differential equations, which describe the axial force distribution and deformation behavior of pipe.

描述垂直井中螺旋弯曲管柱轴力分布和变形行为的力学方程是一组高阶非线性常微分方程组。

The engine shaft M carries two rotors which have faces in the form of helicoidal ramps.

发动机轴米，载有两个转子，其中有面临的形式螺旋斜道。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失