| 1. | The origin of the normal force is similar to the origin of tension in a string .
法向力的起源与绳子上的张力的起源相似。 |
| 2. | Cohesion is best defined in terms of the plot of shear stress versus normal stress given in figure 9 .
粘结力最好根据图9中剪切应力和法向应力的关系曲线确定。 |
| 3. | Friction and cohesion are best defined in terms of the plot of shear stress versus normal stress given in figure 9 .
摩擦角和粘结力最好是根据图9中剪切应力和法向应力的关系曲线确定。 |
| 4. | For sliding contact, the coefficient of kinetic friction uk is defined as the ratio of the frictional force to the normal force .
滑动接触时，动摩擦系数Uk的定义是摩擦力与法向力的比率。 |
| 5. | Compressibility(b)is the measure of volume changes when a substance is subjected to changes in normal pressures or tensions .
压缩系数（B）就是当物质承受的法向压力或法向张力变化时其体积变化的度量。 |
| 6. | Normal force of the total weight of the payload and the carriage
载荷与支架总重的法向力 |
| 7. | Measuring method for normal total emittance of infrared heater
红外辐射加热器全法向发射率测量方法 |
| 8. | Measuring method for normal spectral emittence of infrared heater
红外辐射加热器光谱法向发射率测量方法 |
| 9. | Measuring method for normal spectral emittance of infrared heater
红外辐射加热器光谱法向发射率测量方法 |
| 10. | Straight sided normal worm zn - worm
法向直廓蜗杆 |
