伸缩

The radial rectilinear stretching motion is firstly analysed, and its condition is deduced. Then two planetary gear mechanisms are assembled to realize the motion. In addition, the kinematics and dynamics analysis of arm mechanism is done, which provide the theoretic basis for the selection of servomotor and for holding the good dynamics and static performance of the clean robot.

首先对其末端执行器的径向直线伸缩运动展开分析，得出了实现该运动的必要条件，并采用两组行星轮系与连杆机构的组合形式来实现末端执行器的运动，此外还对该机构进行了运动学和动力学分析，为电机的选择以及控制净化机器人的动态性能和静态特性提供理论基础。

Under normal circumstances, the skin elastic fiber with the rectus abdominis to maintain a certain degree of elasticity, and the limits of freedom in a certain flexibility.

正常情况下，皮肤弹性纤维与腹直肌保持一定的弹力，并在一定限度内自由伸缩。

Fully retractable glass walls open out to a reflecting pond and swimming pool make each villa appear to float on water.

充分伸缩玻璃墙打开了一个反映池和游泳池使每个别墅似乎浮于水面。

Imported spring steel is used in the top end of rail post to ensure durability and enhance the retractability of the woven belt.

栏杆头内使用优质进口弹簧钢，保证经久耐用，增强伸缩织带能力，尼龙织带保证伸拉多次而不变形，织带成一直线，美观得体。

However, in 2004, the idea of retractable roof was abandoned for economic and safety reasons.

然而，在2004年的想法，伸缩屋顶被遗弃的经济和安全的原因。

Set the development, production, sales and service in one, is the world's largest production base of retractable doors.

集研发、生产、销售、服务于一体，是全球最大伸缩门生产基地之一。

The microphone is retractable and can be extended to about one and a half inch to suit your needs.

麦克风可伸缩，可扩展到约一个半英寸，以满足您的需要。

I also plan to be able to turn it on/off from the transmitter because of my retractable bow planes.

我也计划，以便能够把它开/关从发射机因为我的伸缩低头飞机。

While your dog is on the retractable leash, it is important to convey the message that further than 20 feet away from you is not an option.

当你的狗，是对可伸缩皮带，重要的是要传达一种信息，进一步超过2 0英尺远的，从你的是不是一种选择。

It is the first stadium with a retractable roof, allowing any sport to be played indoors or outdoors.

它是第一个带有伸缩屋顶的体育场，可进行任何室内或室外的体育活动。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！