A derivation of the constraint equation a rigid body in slipless rolling in plane was given.

A smooth, flat, relatively thin, rigid body of uniform thickness.

光滑的, 平整的, 比较薄的, 均匀厚度的硬物体.

For example . high strength reinforced bar. steel medium plate. auto wheel rim steel and so on.

高拉力螺纹钢筋. 不锈钢中板. 汽车轮网钢等.

For example , high strength reinforced bars, steel medium plates, auto wheel rim steel and so on.

高拉力螺纹钢筋, 不锈钢中板, 汽车轮网钢等.

Check the wheel rim damaged.

检查轮缘有损伤.

President Bush says the Pacific rim can be an agent for change around the world.

布什总统说环太平洋地区可能成为改变世界的推动力量.

And I believe that's why I have a vested interest in helping the Asia-Pacific rim .

我想,这就是为什么我有铁定的兴趣来为 亚太地区 出力的原因.

The Pacific Rim has traditionally been divided neatly into two groups: suppliers and consumers.

传统上,环太平洋地区被整齐地划分为两个集团: 供应方和消费方.

APEC leaders to boost Pacific Rim group.

亚太经合会领袖加强太平洋区域联盟.

Product is stabilization, that is the choice in surperfinishing water pump and spin bearing outer ring.

产品型号稳定是加工水泵、纺织轴承沟道、滚道之最佳选择.

Spiral groove is not slotted part of the outer ring called the sealing dam.

螺旋槽外圈未开槽的部分称作密封坝.

The handle is connected with an outer ring.

手把与外环连接.

Jiqinggaosu Highway north, west West outer ring and convenient transportation, logistics fast.

北临济青高速公路, 西临西外环,交通便利, 物流快捷.

It's a fair fight ring with nothing but your bare fist.

除了要赤手打拳,竞赛是很公平的.

Bassanio received the ring with joy and delight.

巴塞尼奥很高兴地接受了这枚戒指.

a ring with a diamond in it

钻石戒指

Not long after, Orlando auditioned for The Lord of the Rings and succeeded.

出院不久, 奥兰多便参加了《魔戒》的试镜并获得了成功.

It's 4 clock now. Steven is at home. He is reading The Lord of the Rings.

现在是下午4点. 史蒂文在家. 他正在看《指环王》.

I am amazed that he has never read The Lord of the Rings.

他从未读过指环王>. 我对此大为惊奇.

There must be something wrong with people who riot in cruelty to animals.

喜欢以虐待动物为乐的人一定心理不正常.

Some students riot in fierce argument.

有些学生热衷于激烈的辩论.