loop

Ring-loop line is a new slow-wave structure,comparing with helix it has some particular characteristics,such as high coupled-impedance,low backward wave,good phase characteristics etc.

环圈慢波线是新型的慢波结构,与螺旋线慢波线相比,环圈慢波线有基波耦合阻抗大、返波分量小、相位特性好等独特的优点,本文介绍了采用环圈慢波结构的C波段脉冲行波管的研制过程。

a loop knot that neither slips not jams.

滑动或堵塞的环圈结。

Moreover, the flare had a simple loop structure.

此外，日焰有著简单的环圈结构。

electrode (retaining) collar

电极圈［环］，电极夹持环

To twist(the hair, for example) into ringlets or coils.

卷成小圈把(头发等)卷曲成小环或小圈

"curl:To twist (the hair, for example) into ringlets or coils."

卷成小圈:把(头发等)卷曲成小环或小圈.

a ring of iron or circle of rope used in the game of quoits.

执圈游戏中使用的铁环或绳圈。

The ring sum of two circs is a circ.

两个广义圈的环和是一个广义圈。

piston pin snap ring

活塞销锁圈, 活塞销扣环

cromflex oil (piston) ring

钢制带胀圈的(活塞)环

reinforced shotcrete ring

钢筋喷浆混凝土环[圈]

ring with coil-spring expander

螺旋弹簧胀圈活塞环

bearing with locating snap ring groove

外圈有止动环槽轴承

Hoop skirts were once the vogue.

圈环裙一度曾是时尚

A garland, wreath, or circlet for the head.

环形花环戴在头上的花环、叶冠或圈

A toroid generated by a circle;a surface having the shape of a doughnut.

环面，环形圆纹曲面圆圈形成的超环面；具有炸面圈一样形状的表面

The living organisms and their environment composing the biosphere.

生物圈组成生物圈的生物及其环境的总和

A representation of this ring or circlet, as in woodwork.

花圈象征物环形或圈形的象征物，如木制品

The street plan of the city has evolved as a series of concentric rings.

该城市的街道平面图像一圈圈的同心圆环。