双图

double pendulum ; gravity free system ; rigid rod ; energy level set ; KAM theory

图 1 双摆模型其中 Pg 中的 g表示系统处于重力场，细杆 OA的质量和长度分别为 m1，l1，细杆 AB的质量和长度分别为 m2 、l2 ，质点 A和 B的质量分别为 m A，m B，系统Pg 绕固定点 O作平面运动

The main products are hex screws, double end screws hanger bolt, hex head wood screws, hex head bolts, non-standard bolts and various types of non-standard special fasteners.

慈溪市天元余慈五金厂位于浙江省慈溪市天元镇，可依据国标、美标、英制等标准生产各种紧固件，主要有外六角螺丝、双头牙螺丝、六角头木螺钉、六角头螺栓等，亦可生产非标螺栓等各种非标特殊紧固件，接受客户来图订做。

More than 300 years ago, Dan owned by monks in the temple Danxiashan to open up another pass when he picked 12 landscape, named Danxia 12 King: Kam-water beaches sound, Yu Tai Shuang Qi, Jie Ge and bell, Dan ladder iron chain, rudder stone Chaoxi Bamboo Rain in Singapore, two marsh Bihe, Ruquan spring slide, tired top Budo, Hongqiao Yong Tsui, on-chip scales moon.

三百多年前澹归和尚在丹霞山开辟别传寺时，曾挑出12处风景，命名丹霞十二景：锦水滩声、玉台爽气、杰阁晨钟、丹梯铁索、舵石朝曦、竹坡烟雨、双沼碧荷、乳泉春溜、累顶浮图、虹桥拥翠、片鳞秋月。

Based on the garment design with the meshes, we assort spline curve into two types, that is to raisene idea that the ring and characteristic line are the basic geometry elements of three-dimensional garment model.

从人体服装设计所用曲面出发，通过对样条曲线进行分类，提出将环和特征线作为人体服装三维建模最基本的几何元素，并详细介绍了利用双线性插值法对人体服装中的两类子曲面进行三维建模的方法，从而在将参数化方法运用到高层次图素如样条曲线、曲面等方面作了尝试和推广

Thus plasma expansion's effect of primary disk on secondary disk is reduced,and then the X ray radiation ablating secondary disk is "pure and clear".An X ray streak camera is used to measure time space images of double disk targets.

采用X光条纹相机测量双盘靶等离子体喷射的时空扫描图象，采用两台软X光谱仪分别对初级和次级辐射的X光进行测量，研究次级盘对初级发射的X光谱的改造。

Chief tallymen, this is a lashing plan, please lash one tier of containers with short bars double crossed, two tiers with long bars single crossed, and the 4 containers in the middle of the second tier need no lashing, ok?

理货组长，这是捆扎图，请对一层高的箱子用双短杆交叉捆扎，对两层高的箱子用单长杆交叉捆扎，在两层高中间的4个箱子不需要捆扎，好吗？

Sonograms from 6 subjects were interpreted by 2 blinded independent assessors at the time of acquisition and 6 mo later.

六份超声图样本是通过双盲的方法由两位独立的技术员在测量即刻及六个月之后分别进行分析解释获得的。

In order to determine the efficacy and safty of amlexanox oral pellicles when applied topically for treatment of RAU, A multicenter, randomized

我们通过多中心、随机、双盲、安慰剂对照试验，观察109例和107例复发性轻度口腔溃疡患者局部应用氨来呫诺口腔膜3天和5天的临床疗效，并通过比较用药前后的全血图、肝肾功能和小便常规检查以及用药不良事件的发生率评价该药物的安全性。试验共纳入符合标准的RAU患者216人，脱落病例共3人，完成108例和105例，初诊、用药满3天、用药满5天

Efficiency of 2 el. bi-quad feed with parabolas having different F/D ratio

图。18。用叠加双菱天线做馈源的不同F/D比率的偏馈抛物面天线的效率 19 November，2009 2.4GHz 抛物面天线的高效馈源 Fig。

EMG onsets of the short and long fibres, relative to that of deltoid, were compared between groups, muscles, and sides.

在组间、肌肉间以及双侧间对长短纤维的肌电图发病进行比较。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。