查询词典 major axis

The mean short-axis and long-axis diameters of the bezoars were 3.4 cm and 5.1 cm, respectively.

粪石的平均短轴直经是3.4 cm，平均长轴直经是5.1 cm。

The disc type counter current chromatographic separation column comprises at least a or a plurality of discs provided with designing slots, clapboards at two sides of each disc, the cylinder rotating axis, an upper flange and a lower flange; the cylinder rotating axis is hollow and passes through the center of the upper flange, the lower flange, the discs and the clapboards; the inner edge and the outer edge of the upper flange, the lower flange, the discs and the clapboards are provided with a plurality of bolt pieces that fix the upper flange, the lower flange, the discs and the clapboards together.

一种多功能高效逆流色谱仪，它由盘式逆流色谱分离柱、配重体、行星架、柱体自转轴、行星轮、中心轮、中心公转轴、电机、传动装置、速度控制装置和保温机箱组成；所述的盘式逆流色谱分离柱，它包括有至少一个或多个设槽的圆盘、每个圆盘两侧的隔板、柱体自转轴和上法兰、下法兰；所述的柱体自转轴为空心，贯穿在上法兰、下法兰、圆盘及隔板的中心；在上法兰、下法兰、圆盘及隔板的内外边缘设有多个螺栓部件，将上、下法兰、圆盘及隔板固定在一起。

The main root axis from which smaller root branches arise; a root system with a main root axis and smaller branches, as in most dicots.

具有侧根的主根轴；由主根和侧根组成的根系，见于大多数双子叶植物。

The main root axis from which smaller root branches arise; a root system with a main root axis and smaller branches, as in most dicots.

直根 Taproot 具有侧根的主根轴；由主根和侧根组成的根系，见于大多数双子叶植物。

For five-coordinate NC end milling, the author gives the equation of tilt angle, the optimum algorithm of tilt angle, the analysis of machined errors, the compensative algorithm for cutter axis tilt error, and the formulae of feed length, feed width and cutter axis swing angle.

推导了五坐标端铣数控加工中的后跟角计算公式，提出了后跟角的优化计算方法——刀盘周边7点干涉检验法，分析了各种加工误差，提出了刀轴摆动误差补偿方法——刀具切触点偏置法，给出了走刀步长、切削宽度以及刀轴摆角的计算公式。

The feed motion is projected into each feed axis, and based on its mechanical model(motor driving torque/force, Inertial force and cutting force), the constraint relationship between feedrate, feed acceleration, and feed drive capabilities and toolpath geometric characteristics is derived. With this constraint model, the acceleration and deceleration of each axis can be limited within its capability.

将进给运动分解到各运动轴，根据机床进给轴的力学(电机驱动力／力矩、进给系统所受的惯性力及切削力)模型，推导了多轴联动加工时进给速度、加速度与各进给轴驱动能力以及加工路径几何特性之间的约束关系，使得加工过程中机床各运动轴的加减速始终处于其加工能力范围内。

These issues include: the main axis may cause a similar problem with the main axis of the fault has affected the accuracy of bending; workpiece clamping possible problem is that the workpiece center and the main discrepancies, which could lead to instability in rotating workpiece; servo motor failure: the feed system Ball Screw bending and oil do not lead to rust long run can also be caused by poor, such as the same issues.

这些问题包括：主轴主要可能引起类似问题的故障有主轴弯曲影响精度；工件装夹方面可能的问题是工件中心和主轴不一致，由此可能导致工件转动不稳；伺服电机出现故障：进给系统中滚珠丝杠的弯曲和长时间不上油导致生锈运行不畅等也可能引起相同的问题等。

As a result of the transmission of traction roll will to a certain speed, tension from the pull-out feeding axis and force it into the business card printing and membership card Studio, this part of the tension than business card printing and membership card Studio tassion, usually attached to a feeding on the axis of brake to control tensility.

由于牵引辊的传不静不兵塑料薄膜以必不退的不缓率、压辛从给料轴拉不入并送入制卡和会员卡制息部，这局部的压辛给不小于制卡和会员卡制息部的压辛，凡是用不停在给料轴上的制不静器来把持压辛。

The gimbal ring and drive axis is impossible to coincide with the centre axis of gyroscope completely during the assembly process.

摘要在动力调谐陀螺的装配过程中陀螺和平衡环的中心轴总是不可能完全与驱动轴轴线重合，因此存在一定的安装倾斜角。

Based on the drawbacks of the traditional two-axis gimbals, a new improved four-axis gimbals is introduced.

分析讨论了传统光电吊舱两框架结构的缺点，接着详细给出了改进的四框架控制系统。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。