每条触手大约两毫米长。
那个生物是一只很小的蜈蚣，只有10毫米长。
我们知道巨型水蝽只攻击移动的猎物，所以这只58毫米长的昆虫可能是先抓住并杀死这只幼小的金线龟后才开始食用它。
The giant water bugs are known to only attack moving prey so it is likely that the 58mm insect captured and killed the young turtle before feeding on it.
据他们在《地质学》杂志中的报告，这些斑点宽不过13毫米，长不过17厘米。
These markings, they report in Geology, are up to 13mm wide and up to 17cm long.
只有10毫米长，这种甲虫可以拉动比自己的身体重量重1141倍的重物，相当于吊起两个满载男人的18轮卡车。
A mere 10 millimeters long, the beetle can pull up to 1141 times its own body weight-the equivalent of an average man lifting two fully-loaded 18-wheeler trucks.
英格布雷森之子罗比在家族档案中乱翻时发现了这个8毫米长的磁带轴。
Ingebretsen's son, Robby, found the movie in the form of an 8mm reel of tape while rummaging around in his family's archives.
人类肉眼可以看到的最小的物体大约0.1毫米长。
The smallest objects that the unaided human eye can see are about 0.1 mm long.
幸运的是，这种鱼只能长到16.7毫米长。
这种鱼在成熟期约长7.9毫米。
这些水母只有1毫米长。
他指着他们录像带里的主角——这只3英寸(76毫米)长的橘黄色的动物说：“我们以前只不过时忽视了它的存在。”
"We were just gaga over it," he said of the 3-inch-long 76-millimeter, orange critter starring in their two-minute video.
头发每个月可长12毫米，如果一个人从不剪发，头发会长至108厘米才开始脱落。
Hair grows about 12 mm per month. If a person never has his hair cut, it would grow to a length of about 108 cm before falling out.
头发每个月可长12毫米，如果一个人从不剪发，头发会长至107厘米才开始脱落。
Hair grows about 12 mm per month. If a person never has his hair cut, it would grow to a length of about 107 cm before falling out.
另一方面，超声波的来源较少，波长也较短，通常只有几毫米长。
Ultrasound, on the other hand, comes from much smaller sources and therefore has much smaller wavelengths, usually only a few millimeters long.
RealView公司生产的内窥镜胶囊核心是一个25毫米长、直径7.5毫米的硬塑料圆柱体。
The core of RealView's endoscopy capsule is a hard plastic cylinder 25mm long and 7.5mm in diameter.
比如，尼康售价399.95美元的P500可以变焦36倍——相当于在35毫米相机上装一个800毫米的长焦镜头——还能够轻而易举地放入手提包里。
For example, Nikon's $399.95 P500 offers a 36x zoom -- the equivalent of an 810 mm telephoto on a 35 mm camera -- but easily fits in a laptop bag.
这款产品使用医用级高分子聚合物以保证其舒适性和安全性。产品尺寸为90毫米长x43毫米宽。
Made from a medical grade Polymer that ensures a comfortable and secure fit, dimensions are 90mm long x 43mm wide.
秀丽隐杆线虫是蛔虫的学名，是一种只有1毫米长的透明小生物。
Caenorhabditis elegans, as the roundworm is properly known, is a tiny, transparent animal just a millimeter long.
虽然只有5毫米长，小螃蟹宝宝们也开始进军内陆，花了大约9天抵达高原。
Although only 5mm across, the baby crabs begin their march inland, taking about 9 days to reach the plateau.
工作原理：一个两米长的天线和移动发电器制造95束千兆赫(3毫米)的辐射对准目标。
How it works: a 2-metre antenna and mobile generator produce and aim a beam of 95-gigahertz (3-millimetre) radiation.
它的装甲是流线型的，而且更重要的是，它有一个57毫米的长管主炮。
Its armor was streamlined but more importantly, it featured a long-barreled 57mm main gun.
那个生物是一只很小的蜈蚣，只有10毫米长。
这些生物不到1毫米长，是属于铠甲动物门的多细胞生物。从某些方面来看，它们与水母相似。
These creatures, which measure less than 1 millimeter long, are known as loriciferans. They somewhat resemble jellyfish sprouting from a conical shell.
这些有孔虫大约有200至350微米大，或者一毫米的五分之一到三分之一长。
These foraminifera were roughly 200 to 350 microns large, or a fifth to a third of a millimeter long.
植株灌木型，茎多分枝，可长至50厘米高或更高，茎干8到15毫米粗，淡绿色，有白霜，近根处色深暗，叶痕呈双凸形。
Plant shrubby, caudex branching, to 50 cm tall or more, 8-15 mm thick, pale green and glaucous above, darker below, leaf scars lenticular.
这个月发表在《环境微生物学杂志》(Environmental Microbiology)上的一篇研究，描述了一个长到3厘米长的“巨型”古生菌，而且几乎不需要放大就能看见(厚度仅有0.1毫米)。
A study published this month in Environmental Microbiology describes a "giant" archaean that grows to 3 centimeters long and is nearly visible without magnification (it's just 0.1 mm thick).
他们从2月25日毫米长，通常是黄色，棕色，红色或黑色。
They range from 2 25 mm long and are usually yellow, brown, red, or black.
卵：长0.5毫米，卵形，稍扁、黄白色、孵化前变黑褐色。
Eggs: long 0.5 mm, ovate, slightly flat, yellowish-white, hatch change before dark brown.
总状花序，30厘米长，花梗到5毫米。
总状花序，30厘米长，花梗到5毫米。
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