This paper introduces the structure and operating principle of high density double unit reading writing films magnetic head.

A mobile node can get hop counts by reading the head of IPv6 message, and get average packet receiving rate by statistical method.

移动节点通过读取消息的IPv6首部可以获得需要的跳数信息，再使用统计手段获得数据包平均接收率。

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Good question, so there is this little reading head kind of like in an old phonograph player that does move back and forth and in and out depending on the implementation.

好问题，这就像，老留声机里的小读头，它通过来回移动，来完成不同的操作。

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To satisfy the requirement of encoder miniaturization, a fire-new encoding method and inimitable design structure of reading head are proposed to develop super miniature virtual absolute encoder.

针对编码器日趋小型化的技术要求，本文提出一种全新的编码方式和独特的读数头设计结构，成功研制出了超小型准绝对式编码器。

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The portion of a moving data medium, such as a drum, tape, or disk, that is accessible to a given reading head position.

属于正在运动的数据媒体（如磁鼓、磁带或磁盘）的、对于给定的读头位置可访问的那一部分。

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By using short and intense bursts of current, a succession of domain walls can be shoved past a reading head.

通过使用一阵阵强烈短促的电流，一系列的域壁被推耸着穿过阅读磁头。

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A mounting base for long grating reading head used in digitized technical transformation of single-coodinate measuring apparatus

单坐标测量仪数字化技术改造用的一种长光栅读数头的安装座

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In order to realize miniaturization of absolute optical encoder with the character of greater accuracy and more reliability, a new coding mode and structure of reading head are investigated.

为了实现高精度、高可靠性绝对式光电编码器的小型化，对编码器的编码方式和读数头的结构等进行了研究。

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The Optical Design of a Optical Syetem Fine Separating Grating Reading Head

光学器细分光栅读数头的光学设计

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Avoid self-prescribing with, say, off-the-shelf reading glasses sold at drugstores, says Gary Etting, an optometrist who specializes in vision therapy in Los Angeles.

洛杉矶专攻视觉治疗的验光师加里•埃廷（Gary Etting）说，不要进行自我诊断，说什么药店里就有现成的老花镜出售。

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Mr Mandela's reading glasses stayed behind in prison Mr Mandela and his then-wife Winnie were taken to the centre of Cape Town to address a huge and euphoric crowd.

曼德拉和他当时的妻子温妮被带到开普敦市中心，大群喜悦的民众在那里等待他发言。

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The Claim: A 12-week, scientifically tested training program, newly available as an iPhone app, uses a technique called perceptual learning to reduce--or even eliminate--the need for reading glasses.

主张：一项为期12周、经过科学检验的训练项目最近以iPhone应用的形式面市，该项目使用一种名为“知觉学习”（perceptual learning）的技术来减少（甚至消除）佩戴老花镜的必要性。

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The Claim: A 12-week, scientifically tested training program, newly available as an iPhone app, uses a technique called perceptual learning to reduce or even eliminate the need for reading glasses.

主张：一项为期12周、经过科学检验的训练项目最近以iPhone应用的形式面市，该项目使用一种名为知觉学习（perceptual learning）的技术来减少（甚至消除）佩戴老花镜的必要性。

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The Ache: In presbyopia, the eye's lens loses elasticity with age. The ability to focus on near objects deteriorates, resulting in the need for reading glasses.

病痛：老花眼的成因是，眼睛的晶状体随年龄增长而失去弹性，聚焦近处物体的能力减弱，因此需要佩戴老花镜。

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And I consider her a friend? I put on my reading glasses, bury myself in a pile of books, feel very safe. ( Procrastinate? Me?)

我把这样的人当作朋友？我摘下我的阅读眼镜，把我自己埋在一堆书中间，这样我觉得很安全。（拖延？我？）

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We think people with moderate hearing loss should be able to buy a hearing aid over the counter as easily as you can buy reading glasses at your local pharmacy.

我们认为有着中度听力损失的人们，应该能够在柜台上买得起助听器，就像你在当地药房购买近视眼镜一样。

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Under the peach tree, a seventy years of age wearing a pair of old eye reading glasses, hands and one classics, attentively reading the.

桃树下，一古稀老人眼戴一副老花镜，手捧一册典籍，聚精会神地阅读着。

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Tongue depressors, reading glasses, forceps and similar products are called Class I devices and are largely exempt from agency reviews.

压舌板，老花镜，和医用钳子以及类似的产品被划分为第一类设备，并且在很大程度上是免于机构评估的。

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That is not all because of short-sightedness. People also need reading glasses as they get older and the figure includes sunglasses.

这并不全是因为近视。当人们变老的时候，还会需要老花镜，而且太阳镜也包含在该数据之中。

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'So people who wear their reading glasses on the computer can also be encouraging their eyes to weaken faster.'

所以那些在用电脑时却佩戴读书镜的人也是在导致眼睛加速弱化。

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So people who wear their reading glasses on the computer can also be encouraging their eyes to weaken faster.'

“所以那些在用电脑时却佩戴读书镜的人也是在导致眼睛加速弱化。”

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