distance space open set closed set Cantor set cover finite cover countable cover equivalence
距离空间开集闭集康托集覆盖有限覆盖可数覆盖等价

Improving Insulation of Electric Tank Slot Cover to Eliminate Electricity Leakage of Slot Cover
改进铝电解槽槽罩绝缘性能，消除槽罩漏电

I have read from cover to cover with great interest, and now hasten to enclose my subscription.
我怀着极大的兴趣从头读到尾，现在急忙把订阅费装进信封。

Threadbound book cover, back cover is made of two or three of these special paper with history.
线装书的封面，封底是由两张或三张连史纸裱制而成。

cover her face with a handkerchief cover the child with a blanket cover the grave with flowers.
用手帕覆盖她的脸用毯子覆盖孩子鲜花覆盖了坟墓。

The original should be scanned from the front cover, back cover, then spread originals in order.
原稿应从封面, 封底扫描, 然后按原搞页码分页。

Lower book cover down onto adhesive end sheet.Press back cover down on book.Alignment is assured.
将不干胶环衬粘贴在封皮封底部。

A ribbon is attached to the battery compartment cover to prevent the cover from falling accidentally.
电池室盖上装有缎带以防电池盖意外掉出。

Application and Analysis of Cover Systems of Cut and Cover Metro Stations Assembled by Military Beams
地铁盖挖车站军用梁铺盖体系应用及工况分析

Silicone rubber heating board system equipped on cabinet cover to ensure drying within cabinet cover.
箱盖内采用硅橡胶加热板加热系统, 保证箱盖内干燥不漏水。

The utility model relates to a well cover for sewage discharge, comprising a well cover and a well seat.
一种用于污水排放的井口盖, 是由井盖和井座组成。

If you're sensitive to light while sleeping, get thick drapes to cover your windows or use an eye cover.
如果睡觉时你对光敏感，挂上厚窗帘或用眼罩。

This claw releases the disc when the cover is opened and secures it back in place when the cover is closed.
这只爪发布光盘封面时打开并确保它在封面时关闭。

therein， the head cover inner surface has a supporting convex part for supporting the head cover tilting.
其中顶盖内表面设有可支撑顶盖翘起的支撑凸部。

Detachable cover， convenient for jumper management and good to protect patch cord after the cover is placed.
盖子可拆装，方便管理跳线加盖后有利于跳线的保护。

The front end cover and the rear end cover are fixed by screws and rabbets. Meanwhile, the rotor assembly is fixed.
前，后端盖利用螺钉及止口固定，同时将转子总成固定。

the cover joint step includes that the tube cover of the toothpaste tube is in thread connection with the tube body.
将牙膏管管盖与所述管体实现螺纹连接。

It might be beyond the ability of many to read through the magnum opus Lunyu or Analects of Confucius from cover to cover.
对于许多人来讲从头到尾读懂论语已经是十分困难了。

The utility model is an electric cooker whose pot cover can flick smoothly, comprising a pot body, a pot cover and an axle.
本实用新型是一种锅盖能够平稳弹开的电饭煲。

It has the advantages possessed by both of the conical cover and the arch cover. Thus, it can be used in practical production.
它同时具有锥顶和拱顶的优点, 值得在生产中应用。

Backing Marking of the shoulder or joint on the spine of a hard cover book into which the cover boards will fit after back rounding.
精装书籍在圆脊后两旁压成肩膊或关节，以套入书皮板纸。

The vibrator box and the connecting pipe are composed of an upper box cover and a lower box cover which are divided in an axial symmetry.
振子盒和接管由作轴对称剖分的上盒盖和下盒盖组成。

Remove the mouthpiece cover by gently squeezing the sides of the cover and check the mouthpiece inside and outside to see that it is clean.
轻轻挤压吸口盖的两侧, 移除吸口盖。检查吸口内外是否乾净。

The utility model discloses a gas distributor in the chemical industry, including a cylindrical base, a piston, a bottom cover and a spring.
本实用新型公开了化工领域中的一种气体分布器。

The external oblique abdominal muscles lie alongside the rectus abdominis to cover the remainder of the front of the waist, the sides of the waist, and part of the back waist.
腹外斜肌在腹直肌旁，覆盖侧腰和部分后腰。