查询词典 hair pencil

This is not to say all hair analysis is invalid.

这并不是说，所有毛发分析是无效的。

In humans, the average period of growth of a scalp hair is 3 to 4 years, and the involutional and resting phases last for approximately 3 months.

人类毛发的平均生长时间为3至4年，退行和休止期约3个月。

A reversed phase ion-pair high performance liquid chromatographic method was developed for the simultaneous determination of nicotine and cotinine in human hair.

以庚烷磺酸钠为离子对试剂，建立了同时测定头发中尼古丁和可天宁含量的反相离子对高效液相色谱方法。

It gets me out of the ir hair.

这使我摆脱了他们的纠缠。

It gets me out of ir hair.

这使我摆脱了他们的纠缠。

He said he would split open a raw Irish potato and stick the quarter in between and keep it there all night, and next morning you couldn't see no brass, and it wouldn't feel greasy no more, and so anybody in town would take it in a minute, let alone a hair-ball.

他说他可以把一块爱尔兰土豆掰开，把伪币夹在当中间，这样放一个晚上，第二天早上，你就看不见铜的影子了，也不会滑腻腻的了。镇上的人谁都会一眼就收下它，不只是毛球会收。

His iron gray hair was precisely parted and in place.

他铁灰色的头发在正当中分开，梳得整整齐齐。

Up to the day of her death at seventy-four it was still that vigorous iron-gray, like the hair of an active man.

直到她七十四岁去世之日为止，还是保持着那旺盛的铁灰色，像是一个活跃的男子的头发。

One of us lifted something from it, and leaning forward, that faint and invisible dust dry and acrid in the nostrils, we saw a long strand of iron-gray hair.

我们当中有一个人从那上面拿起了什么东西，大家凑近一看——这时一股淡淡的干燥发臭的气味钻进了鼻孔——原来是一绺长长的铁灰色头发。

A good part of the whispering had been occasioned by an event which was more or less rare -- the entrance of visitors: lawyer Thatcher, accompanied by a very feeble and aged man; a fine, portly, middle-aged gentleman with iron-gray hair; and a dignified lady who was doubtless the latter's wife.

刚才那阵子的窃窃私语主要是由一件多少有些稀罕的事情引起的――那就是来了几位来访者：有撒切尔律师，他由一个非常衰弱的老人陪伴；一位文雅、肥胖、满头铁灰色头发的中年绅士；还有一位贵夫人，她无疑是那位绅士的太太。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。