1) Free load
自由荷载
2) four-DOF load
四自由度载荷
1.
In order to obtain the accurate dynamic characteristics of roller bearings,the dynamic analysis models of roller bearings under four-DOF load are established by quasi-dynamic method,in which forces and moments are obtained from inter-action model of bearing parts and traction force is computed by an accurate traction model.
高速滚子轴承的动态特性对航空发动机转子系统的性能有重要的影响,为得到较准确的轴承动态性能,采用拟动力学法建立承受四自由度载荷的滚子轴承动力学分析模型,模型中各零件之间的力和力矩由建立的轴承零件相互作用模型计算得到,并使用较精确的弹流模型计算拖动力,给出了非圆滚道轴承动态性能的计算方法。
3) free charge
自由电荷
1.
It is given a formula about the general relationship between polarization and such charge as induced charge and free charge, and the sufficient condition that polarization is decided only by the distribution of induced charge.
给出了极化强度与极化电荷及自由电荷的一般关系,指出了极化强度仅由极化电荷分布决定的充分条件。
2.
In special conditions, electric displacement vector D is in relation to free charges, magnetic field intensity H is in relation to conducting current.
在特殊情况下，电位移矢量 D仅与自由电荷分布有关； H仅与传导电流有关。
4) free charges
自由电荷
1.
Under general conditions, electric displacement vector is not only related to free charges but also to polarized electric charges.
分析了电位移矢量在一般情况下不仅与自由电荷有关 ,而且还与极化电荷有关 ,并给出了电位移矢量仅与自由电荷有关的条件 ,研究了极化电荷的分布规律。
2.
We have discussed the condition in which the electric displacement D may be simply determined by free charges in the medium and the contribution from polarization charges is not necessarily considered.
当我们研究的问题满足一定条件时，电位移矢量Ｄ仅与自由电荷有关，而与极化电荷无
6) free electric charge
自由电[磁]荷
补充资料：必然王国与自由王国(见必然与自由)
必然王国与自由王国(见必然与自由)
realm of necessity and realm of freedom
of口1 Iun Wongg口0 yU ZlyQU wangguo必然王国与自由王国(realmandrealm of freedom)necessity见必然与自由。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条