1) cyclotomy theory
割圆理论
2) cutting theory
截割理论
1.
According to the cutting theory of the coal drum shearer,a mathematics model between the drum cutting energy consumption and cutting drum movement parameters was established.
根据采煤机截割理论,建立了滚筒截割比能耗与滚筒运动参数(滚筒转速、牵引速度)间关系的数学模型;同时,以畸变1式截齿排列的切屑图为基础,建立了块煤率与滚筒运动参数关系的数学模型。
2.
According to the cutting theory of shearer,the mathematic models of relationship between the helical vane parameters(structural parameters,kinematical parameters) and the objective parameters(coal capacity of the drum,coal conveying speed in axial direction,stoker force in axial direction,minimum speed of the drum,percentage of lump coal) were established.
根据采煤机截割理论,建立了螺旋叶片参数(结构参数、运动参数)与目标参数(滚筒装煤量、轴向输煤速度、轴向抛煤力、滚筒最低转速、块煤率)间关系的数学模型。
3) circularization theory
趋圆理论
1.
As a result,the study of stressfeatures of the angie deformation is significant for the research and control of an angle defor-mation,Through electric stress analysis of an angle deformation area,the stress variationpattern of angle deformation and circularization theory of a spherical shell are summed up,providing theoretical and practical basis for the study .
通过对球壳角变形区应力作电测分析，总结出球壳角变形附加应力的变化规律和趋圆理论，给深入研究球壳角度变形奠定了理论与实践的基础。
4) Cone Effect Theory
圆锥理论
5) double-circle theory of career guiding
双圆理论
6) O-ring Theory
圆圈理论
1.
Vertical Specialization Analysis Within the Framework of the O-ring Theory;
从圆圈理论的角度分析国际垂直专业化
补充资料：Dinostratus割圆曲线
Dinostratus割圆曲线
Dmostratus quadratrix
n如州.如创回曲线[n比州几血.甲.翻廿妞;八。。oeTpaTa 二一a八paTp.ea』 超越平面曲线，在D留cart巴直角坐标系中其方程 为 兀X y=xcotan云汾， _--一2a 在极坐标中，其方程为 p一些匕2过. 兀CC6势 D蜘咙如t璐割圆曲线具有无穷麦全分支(见图乙宣坦 与x轴相交于点x=土a，土3a，土sa，…，并具有渐近线 x二土2a，土4a，李由，·…创门与直线y=劝加的交点是拐 点. 千晒{ 伊利斯的HIPp姚(公元前420年)首先考虑了割圆 曲线.公幻嘴tIa油(公元前4世纪后半期)证明:可以 借助于割圆曲线用作图法解决化回为方问题〔qua比ra- t也吧oft比cn℃le).八.八.自‘。月。日撰 【补注】这一曲线也称为HIPp此割圆曲线(HIPP俪 q珑以ratrix)，见[A 1].
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