Based on the exact solution by multi-linear variable separation approach and introducing Jacobi elliptic functions in the variable separation functions, two types of doubly periodic propagating wave patterns for the Maccari system are derived.
基于多线性分离变量法所得(2+1)维Maccari非线性系统的精确解,在分离变量函数中引入雅克比椭圆函数,获得两类双周期传播波模式。
A Jacobi elliptic function expansion method was used to solve generalized compound KdV-mKdV equations.
应用雅克比椭圆函数展开法求解了广义混和KdV-mKdV方程,并引入了一个转化用以简化求解过程,许多解可以由此而得到。
A New Calculation Method for Steady - state Temperature between a Stationary Pin and a Rotating Disc;
静止销和旋转圆盘间的稳态温度新算法
This is an analysis as well as a discussion of the CD-filter system imported from Ahlstrom company of Finland in respect of thestructure of the system, its properties, features, operation and the factors that have effect on filtering and washing efficiency.
对国内首台从芬兰AHLSTROM公司引进的CD压力式圆盘过滤机的结构、性能、特点、操作及影响过滤与洗涤效率的因素进行了分析与论述。
As for time-lag system,the condition for the particular feature(for example disc)is also presented.
针对存在参数不确定性及非线性扰动、传感器或执行器可能失效的一类系统,给出了利用输出反馈使系统能保持渐近稳定的充分条件,并以线性矩阵不等式(LM I)的形式给出,再进一步推广到时滞系统的稳定性问题,以及使系统保持预定特性(圆盘)的充分条件。
double-action disc harrow
(双列圆盘靶) 双功圆盘靶
ground-working disk blade
切土圆盘刀，耕耘圆盘
a disk used on a disk harrow.
用在圆盘耙上的圆片.
disc or cylindrical calculator
圆盘或圆柱式计算机
something with a round shape like a flat circular plate.
象扁平的圆盘的圆形物。
The Properties of Bergman Metric Disk on Unit Disk
单位圆盘上Bergman圆的性质
A thin, flat, circular object or plate.
圆盘，圆板，盘状物一种薄而扁平的圆形物或盘子
stroboscopic disc
频闪观测盘，示速器圆盘
nutating disc flowmeter
（章动）圆盘流量计
To work(soil)with a disk harrow.
用圆盘耙耙（地），用圆盘犁犁（地）
synchronizing bar
同步杆(联接圆盘犁的圆盘支柱，以便同时改变圆盘偏角)
high precision vertical circular sawing machine
高精度立式圆盘锯床
drawn 41-disc harro
四十一片牵引圆盘耙
spark-resistant wire wheel brush
火花电阻圆盘钢丝刷
shoulder cutter
切割猪肩肉用的圆盘刀
twin-disk drill
双圆盘开沟器的条播机
mounted 24-disc harrow
二十四片悬挂圆盘耙
roller crescent tool
圆盘月形孔抛光工具