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344-359) describes a micrometer in which a negative lens is introduced between the eye-piece and the objectglass.

双重图象测微表与分开的透镜。的测微表被发明了除heliometer 以外为测量由重象。Ramsdens 光的测微表包括个分开的透镜被安置地球望远镜的架设的眼睛管的最内的透镜的共轭焦点。

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The coiled shapes of Trichinella isolated ML were observed under microscopes,then the lengths and widths of ML encystment(encysted index)were measured at random by micrometer.

镜下观察旋毛虫幼虫卷曲状态,用测微尺随机测量囊包长、宽。

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halocline, halococci, halocyanophytes, Halocypridacea, halodermia, halodrymium, haloduric, haloeremion, haloes, halofenate,

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传说

These cracks are likely only micrometers long.

这些裂缝可能只有几长。

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VOA Special 2022年6月合集

A micrometer is one millionth of a meter.

1是百万分

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VOA慢速英语_科技

Though the skin is made of many layers, its total thickness is less than a hundred micrometers.

虽然皮肤是由许多组成的,但它的总厚度不到100

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VOA Special 2022年6月合集

A normal bacteria measures one to five micrometers long.

正常的细菌有1到5长。

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当月 VOA Special English

Microplastics can be 5 millimeters long at most or as small as one micrometer.

塑料最长可达5毫,或小至1

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Asap SCIENCE 精选

Typical 3D printers create layers approximately 100 micrometers thick, but some high-end machines can print as small as 16 micrometers.

普通的3D出来的一大约有100厚,但一些高端出来的一仅有16厚。

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Asap SCIENCE 精选

To put this in perspective, a typical bacteria cell has a width of between 1-10 micrometers.

对比来看,一个典型的细菌细胞的宽度在1-10间。

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听力文摘

Their speed goes from eighteen point three micrometers per second up to a whopping thirty point one.

精子的速度从每秒18.3上升到30.1

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TED-Ed(视频版)

And its volume would be one cubic micrometer.

它的体积是一立方

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听力文摘

Rhizobia is a nitrogen-fixing bacteria up to 3 micrometers long and without it, that sort of agricultural production is impossible.

根瘤菌是一种长达3的固氮菌,没有它,不可能实现这种农业生产规模的。

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《分钟地球》趣味科普

This flour sieve has 300 micrometer mesh.

这个面粉筛有 300 的网眼。

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呼吸系统

The distance for gas exchange is only about a half a micrometer.

气体交换的距离只有半左右。

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《分钟地球》趣味科普

We're talking one, or two, or 300 micrometers.

我们说的是一, 或两, 或300

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Space – Verge Science

But our samples are only a couple hundred micrometers wide.

但是我们的样品只有几百宽。

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潘潘

His work connected with" micro" because he produced micro-cards, microfilm, micrometer, micronutrient and microcomputer.

他的工作与" " 有关,因为他制造影卡片、缩影胶片、测器、量营养素和型电子计算

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Kurzgesagt 科普动画

You've entered the microscopic realm and are now less than 2 micrometers tall, about the size of an e coli bacteria.

你现在来到了型王国,你的身高不足两,和大肠杆菌的大小差不多。

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TED-Ed(视频版)

But things change dramatically if we make the cube ten times bigger, measuring ten micrometers on each side.

但是, 如果我们将立方体放大十倍,每边测量十, 情况就会发生巨大变化。

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TED-Ed(视频版)

That means you don't have to cool it down as fast, so the material can be thicker, centimeters instead of micrometers.

这也就意味着你不需要那么快降温,所以最后得到的材料变得厚了很多,可以达到几厘厚。

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SciShow 合集

And that was extremely helpful, but it didn't solve the problem of seeing things that were smaller than 0.2 micrometers.

这非常有帮助,但它并没有解决看到小于 0.2 的事物的问题。

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连线杂志

You know with rocket science, if you're off by one centimeter, by one micrometer, you can cause catastrophic failures to take place.

你知道,对于火箭科学来说,如果相差一厘,一,就可能导致灾难性的故障发生。

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3G, 401(K), a,
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