Direct yarn number is the mass per unit length of yarn; indirect yarn number is the length per unit mass of yarn.
定长制纱线细度是以纱线单位长度的重量表示的；定重制纱线细度是以纱线单位重量的长度表示的。
Similar comments apply to torsion if the torsional moment and twist per unit length are constant throughout a member.
如果扭矩和单位长度上扭角沿杆件为常量，则上述的结论也可以用于扭矩。
Overhead lines have more outages than underground cable per unit length, but the outages are usually shorter in duration.
架空线路单位长度的停电数要比地下电缆的多，但停电持续时间短。
The number of yarn wet snarling per unit length is an important indirect index for the evaluation of yarn residual torque.
纱线单位长度上的湿扭结个数是评价和衡量纱线残余扭矩的一项重要间接指标。
Experiments on the air infiltration by tracer gas method and obtains the range of air infiltration rate per unit length of the crack.
采用示踪气体法对塑钢窗冷风渗透量进行了实验，得出了塑钢窗单位长度渗风量的范围。
The analytic expressions for its relative effective permittivity, capacitance per unit length and characteristic impedance are given.
给出了它的有效介电常数，单位长度电容和特性阻抗的解析表达式。
This paper presents a method to select PDC bits. This method USES a correlation between shear strength and drilling cost estimation per unit length.
介绍了利用剪切强度和单位进尺钻井成本的关系来进行PD C钻头选型的新方法。
Theoretically, the resistance, inductance and capacitance in per unit length, and the effective length of transmission line cannot be obtained accurately.
理论上讲，输电线路单位长度的电阻、电感、电容以及输电线路的实际长度等参数都是无法精确获得的。
The design concept consists of a hybrid composite and metallic/ polymer flexible pipe with optimized mass per unit length for ultra-deepwater applications.
设计的基本思想是开发一款可适用于超深水应用的，具有最优单位长度质量的混合复合材料和金属/聚合物柔性管。
It is based on a database of past PDC bits. In the databased, it includes bit type, average shear stress of well which bit was used in, cost per unit length.
该方法以一个建成的PD C钻头使用资料库为基础，该数据库包括钻头型号、所钻井段地层的平均剪切强度、单位进尺钻井成本等指标。
Curves of total vaporization rate of fuel and vaporization rate per unit length as functions of the axial distance of combustor for given rocket engine are also presented.
文中还给出了燃料总蒸发速率和单位长度上的蒸发速率随该发动机燃烧室轴向距离变化的曲线。
Gas production per unit length increases with the increase of branchlength and the angle between main and branch boreholes. However, it declines as the number of branches increase.
分支井单位长度产能随着分支与主井眼夹角角度、分支长度的增加而增加，随着分支数量的增加而逐渐降低。
The optimum passage section figure of rectangle is square, and the rectangle has 4 optimum comer circular arcs which make the hydraulic loss of friction loss of per unit length passage the least.
矩形流道断面以正方形为最优，且存在最优角圆，使单位长流道沿程水力损失最小。
The per-unit-length capacitance matrix used in multi-conductor transmission line coupling equation can be solved by Moment Method.
对于多导体中所需要的单位长度电容和电感矩阵，使用矩量法进行分析。
Uni 5114 woven and unwoven items-Determining the linear density and the mass per length unit.
UNI 5114机织和非机织材料-线性密度和长度克重的判定。
The total dislocation length per unit volume of material, alternately, the number of dislocations that intersect a unit area of a random surface section.
在单位体积材料中包含位错的长度，或者说在材料内部任意单位截面上位错线的根数。
The total dislocation length per unit volume of material, alternately, the number of dislocations that intersect a unit area of a random surface section.
在单位体积材料中包含位错的长度，或者说在材料内部任意单位截面上位错线的根数。
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