查询词典 principal axis

Based on a data collecting system of moving and static test-bed about helicopter airscrew,the paper designed principal axis low speed control system ,namely designed electric control system, speed measuring system of it and researched a debugging shceme about low speed control system.

本文以"直升机旋翼动平衡试验台数据采集工程"为背景，设计了"直升机旋翼动平衡试验台数据采集系统"工程中的主轴低速控制系统，即对低速控制系统中的电控系统和测速系统进行了设计，并结合实际工程给出了系统的调试方案和最后的实验结果。

During the experiment, the circular grating with 1200 grating lines was adopted, and the precision of the twist angle (less than 0.001°) was acquired while the rotational speed of the principal axis is within the range of 0～1500r/min.

实验中，测量系统采用1200条刻线的圆光栅，在主轴转速为0～1500r/min的范围内测量其扭矩，扭转角精度小于0.001°。

For a rigid body rotating about a principal axis , the angular acceleration is related to torque by T =Ia.

对于绕主轴转动的刚体来说，角加速度与转矩的关系是T＝Ia。

A simplified approximate calculation method is present in this paper for the central principal axis stiffness of numerical control processing.

这篇文章介绍了一种简化的近似计算数控加工中心主轴组件的方法。

The first one analyzed composing and working principal about low speed control system of principal axis.

第一部分，对主轴低速控制系统的构成及工作原理进行分析。

In this paper, in view of the working condition of common principal axes and the exothermic situation, the uneven and steady temperature field of the principal axis system during the working process is described.

主轴是机床或仪器等精密机械的核心构件，它也是影响精度的主要因素，主轴系统的热变形对机械的工作精度影响也很大。

The wave is allowed to propagate along the symmetric principal direction as well as along off-principal-axis direction.

波既可以沿平行于主轴的方向传播，也可以沿偏离主轴的方向传播。

A right hallow circular cylinder of quartz having its generator parallel to the principal axis liberates electricity when subjected to torsion about its axis.

割水晶成一圆柱，圆柱之轴即为晶体之光轴，在圆柱之中心穿一孔道，使成一空心圆柱壳，以金属箔敷於圆柱壳内外侧面成两电极。

The results show that upper bainite of 9Cr2Mo Steel and GCr15 steel is feathery and the upper bainite carbide is lamellar or claviform. The upper bainite carbide distributes between the subunits of bainite ferrites by and large parallelly to the axis of bainite ferrites. Lower bainite of 9Cr2Mo Steel and GCr15 steel is in bamboo leaf shape and the lower bainite carbide is in shred or fibre shape. The lower bainite carbide distributes between the bainite ferrites, furthermore, the angles between lower bainite carbonide and the principal axis of the lower bainite ferrites are unequal.

结果表明，9Cr2Mo钢和GCr15钢的上贝氏体组织呈羽毛状，上贝氏体碳化物呈长短不一的薄片状或短棒状，分布在铁素体亚片条或亚单元之间，其排列与贝氏体铁素体片条轴向大体上平行分布；下贝氏体组织呈竹叶状或针状，下贝氏体碳化物呈细片状或纤维状等形状，分布在铁素体片中间，大多数与片条的主轴方向交角排列，但角度不等。

Above all, we are supposed to introduce prejudication system, and follow the civil law as the principal axis, the system of jurisprudence for the axis of relations between the two legal systems coexist, so that they can get a total of habitat in China, thus to form the legal system with Chinese characteristics.

综上所述，我们应该引进判例制度，要遵循以大陆法系为主轴，以判例制度为次轴的两种法系并存关系，使它们能在中国得到共栖，从而形成具有中国特色的法律制度。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。