walking up the gentle incline, i see families playing badminton in a small park to the right.

1、

the study on the methods of obtaining the solution of the derivation of the equilibrium equations under polar coordinate system

在极坐标系下求平衡微分方程解的方法研究

互联网摘选

2、

pseudo-spectral method in polar coordinate system for viscous flow;

使用双极坐标系研究流体在偏心环空内的流动。

互联网摘选

3、

the finite difference method for torsion problem of bars with sectorial cross-sections in polar coordinate system

极坐标系下扇形截面杆件扭转问题的有限差分法

互联网摘选

4、

fourth order difference of plane problem in polar coordinate system and its application

极坐标平面问题的四阶差分及应用

互联网摘选

5、

deduction of the general solution for plane problem in polar coordinate system

极坐标平面问题一般解的推证

互联网摘选

6、

the displacement solution is constructed by applying the symmetry of scattering of sh-wave and the method of multi-polar coordinate system.

利用SH散射的对称性和多极坐标方法构造了问题的位移解。

互联网摘选

7、

the difference scheme of torsion problem of a bar with a sector cross- section under the polar coordinate system is derived.

导出了极坐标系下扇形截面杆扭转问题的差分格式；

互联网摘选

8、

an analysis of the surgical treatment of peri-ampullar carcinoma with 335 cases

335例壶腹周围癌手术分析

互联网摘选

9、

local resection for small peri-ampullar carcinoma

小壶腹周围癌的局部切除

互联网摘选

10、

ct diagnosis on pancreatic and peri-ampullar carcinoma with invasive portal vein

胰腺癌及壶腹周围癌侵犯门静脉系统的CT诊断及治疗

互联网摘选

11、

pancreatojejunal internal drainage through t-tube bridging for advanced peri-ampullar carcinoma

胰管空肠T管架桥内引流术治疗晚期壶腹周围癌

互联网摘选

12、

the preoperative diagnosis of invasion of portal vein by pancreatic and peri-ampullar carcinoma

胰腺癌及壶腹周围癌侵犯门静脉系统的术前诊断

互联网摘选

13、

anti-sub warfare is based on sonar and acoustic detection of underwater craft.

反潜战的基础是声纳和水下声波探测技术。

互联网摘选

14、

in this paper the torsional vibration problems of the propulsion shaft system of the underwater craft were discussed.

主要讨论以摆盘式活塞发动机作为其主机的某水下航行装置推进轴系的扭转振动问题。

互联网摘选

15、

a more reliable image information processing system based on data-fusion model

一种基于数据融合方法的高可靠性的图像信号处理系统

互联网摘选

16、

homogeneous function of order k k

阶齐次函数

互联网摘选

17、

the penetration potency of either menthol oil or menthol crystal combined with 8% azone was more effective than that of azone alone(p05).

促进剂合用时，薄荷油或薄荷醇与8%氮酮合用的促透效果较好，均比单用8%氮酮有显著性增加（P0.05）。

互联网摘选

18、

motion analysis of guided-bar mechanism based on the instantaneous center of velocity

瞬心法对导杆机构的运动分析

互联网摘选

19、

on the theorem and application of moment of momentum for instantaneous center of velocity

对速度瞬心的动量矩定理及其应用

互联网摘选

20、

he article expounds a new method to solve the instantaneous center of velocity between two disconnected members in the mechanism.

本文阐述了求机构中不相邻两构件间速度瞬心的一种新方法，即“对心四边形法”。

互联网摘选