套环

Both the protection and deprotective group methods for the amino-group on side chain of a new N-pivot lariat crown ether were studied comparatively.

研究了一种新的氮支套素冠醚侧链上氨基的保护和脱保护基方法，结果表明，由过量乙二胺与对甲苯磺酰氯反应得到的单保护乙二胺（N－对甲苯磺酰基乙二胺4a），经N－烷基化环化反应，然后在氢化铝锂存在下脱除保护基，即可制得最佳产率的N－（2－氨基已基）单氮杂－12－冠－4（1）。

The principle of fluxgate sensor and construction of magnetometer are introduced and feedback magnetometer systems are emphasized in this paper.

从分析磁通门传感器的工作原理和磁强计的结构出发，本文首先介绍了一维闭环系统的两种实现方式：数字PID和模拟PID控制，并给出了两套系统的性能指标。

I Miki, this is the first phase of treatment, the steel ring set on him after 10 hours will automatically open.

我对美树说，这是第一阶段的疗程，套在他身上的钢环十小时之后会自动打开。

Nowadays teenagers dye hairs, make differentiate smoky make-ups, tattoos on their bodies, and make various hair styles, such as Beckham's "Mohican" style, or pierce serial even a line of ear holes with metal rings, slip wide and slender metal bracelets on wrists or different weird rings such as skulls or other shapes, and wear metal necklaces around their necks and wear black vests… These are parts of punk culture; some other people sew and hang accessories on their clothes, and process their dressings, which are influenced by the D.I.

现在一些时尚的年轻人染发、画着各式各样的烟熏妆，身上纹身，做着各种头型，比如贝克汉姆般的"莫希干"头，或穿几个甚至一排耳洞，穿上金属小环，手腕上套着粗粗细细的金属手镯、骷髅等各种怪模怪样的戒指，脖子上围着金属项圈，穿着黑色的背心……其实这些都是朋克文化的一部分；还有的自己在服装上缝坠一些饰物，对服装进行再加工，这也是受到朋克DIY主张的影响。

The most nested loop dominates the run time and is the only one mentioned when discussing O notation.

最嵌套闭环控制运行时间，并且是唯一一个提到在讨论符号。

A program with a single loop and a nested loop (presumably loops that execute N times each) is O( N 2 ), even though there is also a O loop present.

程序的单回路和一个嵌套循环（大概循环每执行 N 次）为O （ N 2 ），即使有也是一个为O环本。

Two sets of bottle nipping and annlar belt structure.

两套夹瓶环带结构，使高瓶或站立不稳的瓶子也适应。

Specializing in the production of DEK, MPM, PANA, EARK, MINAMI various models automatically wipe paper; 2, the supply of material with SMT access. 3, sales clean cloth,, finger sets, gloves, dust-free clothing, electrostatic ring, dust sticky mats, sticky dust drum, electrostatic brush, cotton, turnover boxes, such as supplies.

经营范围：1。专业生产DEK，MPM，PANA，EARK，MINAMI等各机型自动擦拭纸；2、供应SMT接料带。3、销售无尘布，无尘纸，手指套，手套，无尘衣，静电环，粘尘垫，粘尘筒，静电刷，棉签，周转箱等耗材。

I kept the pipper right on him.

我始终用瞄准环套住了他。

Indeed, in a test in November along a southern Mozambique railway that was heavily mined during this country's 17-year civil war, teams of three giant pouched rats found every one of 20 live mines in a previously unsurveyed 4,300-square-foot swatch of land.

套着红色甲胄的"万吉罗"是只2岁的雌鼠，线绳刚拉了一半，它突然停了下来，然后又转身嗅了嗅，随即伸出前爪猛挠一块红土。驯兽师马加扎马上拉响金属环，"万吉罗"慢慢向他走近领赏--香蕉。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐