中杆

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

Meanwhile, the application range of twin-screw extrusion in food industry should be extended and further developed, besides the current wide use of production of breakfast cereals food, snacks, paste, instant flour, modified starch, texturised protein and food fiber.

本文就挤压过程中原料相互作用对产品品质的影响，早餐谷物营养配方设计、双螺杆挤压操作参数对产品品质的影响、挤压早餐谷物食品品质指标之间相互联系等方面进行了深入研究，填补了一些空白，对于开发挤压早餐谷物食品，探索双螺杆挤压机加工谷物食品具有一定的理论和现实意义。

The machine adopt automatic lubrication system and the mechanisms of the needle-bar, thread take up and feed dog are excellently improved by using the structural alloy steel, therefore the runing noises and vibrations are minimized significantly, that the machine is operated under the quiet and comfortable circumstances to increase the efficiency and the service life of the machine is prolonged also.

HG128系列中原料平缝机采用自动润滑系统，针杆、挑线杆和送料机构采用合金钢制造，使得运转和顺，减少了噪声和振动，使机器在安静和舒适的环境下操作以提高效率，并也延长机器的使用寿命。

En route to each of their successful seasons, the triumphant Nike Golf athletes played with award-winning SasQuatch Drivers, Nike irons, Nike ONE balls, and were clad in Nike Golf apparel, the number one golf apparel company in the world, as well as Nike Golf footwear featuring Nike's Power Platform technology.

勇夺冠军的耐吉高球队选手们使用荣获奖项肯定的SasQuatch高球杆、耐吉铁杆、Nike ONE高尔夫球，穿著全球第一高球服饰公司－耐吉－的高球服以及采用耐吉能量平台技术的球鞋，每位选手都在本季比赛中打出亮眼佳绩。

According to the mechanical configuration of the rover, operation pattern of the wheel, and principle of speed matching of wheels, we present a control algorithm which can fit various uneven terrains and merge it into the whole locomotion control system.

根据八轮扭杆摇杆摇臂月球探测车的机构特点，结合轮子操作模式，利用月球车机构特征和速度匹配原理，提出一种具有良好地形适应能力运动控制算法，把它融合到了整个运动控制系统当中，提高了月球车在崎岖地形中的运动性能。

Jincheng Motorcycle Group Motorcycle Parts Factory Wuxi City Jincheng Group is the production of motorcycle accessories targeted the backbone of enterprise, production of spare parts for the main frame components, handlebar components, fat hanging scaffold components, after the arm, in the hold, single support, the former foot pole, full chain cover, fat hanging bracket, reversing the welding rod and other stamping parts.

金城摩托车集团无锡市摩托车配件厂是金城集团定点生产摩托车配件的骨干企业，生产的配件主要有车架组件、车把组件、吊发支架组件、后摆臂、中撑、单撑、前脚踏杆、全链罩、吊发支架、扭转杆以及其它冲压焊接件。

One the accident change of lever shadow noons, lever shadow accident and change of day sun height are concerned.

一杆影的长短变化一日中，杆影长短和日太阳高度变化有关。

Bellows sealed valve shut-off valves, and its key components - metal bellows, the lower end of stem components with the introduction of automatic welding roll, roll the top and连接板automatic welding, in the fluid medium and the atmosphere to form a metal barrier between the to ensure zero leakage valve stem.

阀门中波纹管密封截止阀，其关键部件——金属波纹管，下端与阀杆组件采用自动滚焊焊接，上端与连接板自动滚焊焊接，在流体介质和大气之间形成一个金属屏障，确保阀杆零泄漏。

Cited Pistons pull vent valve 10-valve piston cited the role of pulling out are seized cylinder piston rod, when its mild in China emerged after the main hydraulic cylinder rod cavity and there is no cavity under the pressure dropped, so that the main hydraulic cylinder in motion the process of increasing resistance to the main pump to increase the load, resulting in engine speed when pumping declining situation.

3活塞引拔阀内泄活塞引拔阀10的作用是拉出检缸活塞杆，当其出现轻度内泄后，主液压缸无杆腔和有杆腔的压差下降，使主液压缸动作过程中阻力增加，使主泵负荷加大，导致泵送时出现发动机转速下降的现象。

At present, the location of the anti-lopsided wear centralizer used in fields is mainly based on the deviation angle. In fact, lopsided wear may be caused by the change of azimuth angle or by the vertical well section and hold angle section during the working of the bucket rod.

目前油田矿场主要根据井斜角来确定防偏磨扶正器下入位置，实际上方位角变化也能导致偏磨，抽油杆杆柱在运动过程中直井段和稳斜段也会产生偏磨。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。