theoretical length

Then, the theoretical meshing arcus length and the simutaneous meshing tooth numbers of four tooth and two tooth difference harmonic drive are analyzed.

对双波四齿差和二齿差谐波齿轮传动的理论啮合弧长和可能同时啮合的齿对数进行了分析比较；

The theoretical coupling amount and insertion loss as functions of coupling length have been studied.

研究了作为耦合长L的函数的理论耦合量和插入损耗。

Then theoretical resonance length, small end diameter, displacement node, magnification factor, shape factor and other parameters of the amplitude amplifier pole could be determined.

确定出其理论共振长度、小端直径、位移节点、放大系数、形状因数等参数。

Theoretical research on specific impulse performance and chamber length of hydroreactive metal fuel motor;

水反应金属燃料发动机系统构型研究需要以燃烧数值模拟作为研究基础。

A theoretical research on the size and evenness of the fixed size silk& ii. on the delayed length under the limit size for cocoon feeding

定纤生丝纤度与匀度理论研究&Ⅱ、细限纤度以下的落细丝长

Using the cracks at the bottom of firtree slots of the first stage turbine disk in an existing engine as an example, by means of the breakdown test and elaborate theoretical calculation, the criterion and the solution algorithm to determine the critical crack length aic are provided.

本文以一实际发动机Ⅰ级涡轮盘槽底裂纹为实例，通过破裂试验和细致地理论计算分析，得出确定临界裂纹长度α（IC）的准则和具体方法；

Study of Theoretical Plate Length on the Inclined Plate Separator

斜板沉降器的理论板长的研究

On the basis of analyzing transiting characteristics of the rope in transiting area, two theoretical formulas length and angle of transiting area are derived by means of differential geometry, mechanics and mathematical analysis methods.

从钢绳多层缠绕过渡过程入手，运用微分几何、力学、数学分析的方法，研究钢绳过渡情况，提出层间过渡块的几何形状和计算公式及钢绳圈间过渡长度和角度理论公式。

The harmonic chain drive has a periodically varied theoretical chain length during its operation. This paper analyzes the changes in theoretical chain length when wave generator is at different positions, and indicates their effect on driven sprocket angular speed and transmission ratio.

谐波链传动在传动过程中所需链条的理论长度呈周期性变化，分析了传动中波发生器处在不同位置时链条理论长度的变化情况，并指出了这种变化对从动链轮角速度及传动比的影响。

This makes it possible for theoretical powder charge length of a row or a tier boreholes to be further calculated complexly for wider use.

从而可进一步对一排（层）炮孔理论装药长度进行复合计算和更广泛使用。

Installation error will cause the bevel gear meshing error in low-load or overload conditions, the actual contact length is less than or greater than the theoretical contact length.

安装误差会引起锥齿轮副啮合误差，在低载或重载条件下，实际接触长度小于或大于理论接触长度。

Based on the theoretical model, the length of trajectory, number of grinding marks and grinding stable period are deduced. The relationship between grinding surface quality and the density of grinding marks is theoretically analyzed.

在运动学模型的基础上，推导了磨粒轨迹长度、磨纹数量以及磨削稳定周期的公式，并分析了磨粒轨迹对表面质量的影响关系。

The change of pressure in the flow passage of plate thin channel filter device and the main factors effected on the largest theoretical length of plate thin channel filter device at the lower pressure ( < 5 × 10 5Pa) were discussed.

探讨了稳态状态下板式膜过滤器薄层通道中压力变化的规律，并讨论了低压下（＜5×105Pa）影响板式过滤器理论最大过滤组件长度的主要因素。