Histological examination revealed that early development of the scolex became obvious.

Fact had shown that I was not as stupid as the rumor said, but shrewd-brained.

事实证明，我并不象人们传闻的那样笨，而是头脑机灵的人。

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Now this clear-eyed, fine-headed youth, who looked something like a student to her, made fun of it.

而现在，这个眼睛明亮、头脑聪明、在她看来还像个学生似的青年人却在嘲笑它。

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These are high pressure situations and you have to keep a cool head.

在高压力的情况下你必须保持冷静的头脑。

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Your job is dangerous, you have to keep a cool head in case you hurt yourself.

你的工作有危险性，你必须保持冷静的头脑，以免伤害自己。

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A commander needs to have a cool head.

指挥员需要有一个冷静的头脑。

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Amphioxus, a cephalochordate, is believed to be the closest living relative of the vertebrate. It is often regarded as an important model animal for phylogenetic studies on the evolution of animals from invertebrate to vertebrate.

文昌鱼是头索动物，被认为是现存的与脊椎动物最接近的无脊椎动物，经常被看作是分析从无脊椎动物到脊椎动物进化过程的一种重要的模式动物。

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Amphioxus or lancelet, a cephalochordate, has long been regarded as the living invertebrate most closely related to the proximate invertebrate ancestor of vertebrates.

文昌鱼是现存的与脊椎动物原始祖先最接近的头索动物，一直被认为是研究脊椎动物起源和进化的模式动物。

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The liver is an important target organ of many hormones in the endocrine system and the hepatic caecum of the cephalochordate amphioxus has long been considered to be the precursor of vertebrate liver.

肝脏是多种激素的重要的靶器官，而文昌鱼的肝盲囊一直被认为是脊椎动物肝脏的前体。

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In evolution, Amphioxus, a cephalochordate, has been regarded as the living fossil closest to the vertebrates.

在进化中，头索动物文昌鱼被认为是接近于脊椎动物的活化石。

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Amphioxus, a cephalochordate, is a kind of transitional species between invertebrates and vertebrates.

文昌鱼是一种介于无脊椎动物和脊椎动物之间的过渡物种，属于脊索动物门头索动物亚门。

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Amphioxus, a cephalochordate, widely considered as the closest living invertebrate relatives of the vertebrates.

头索动物文昌鱼代表从无脊椎动物到脊椎动物进化过程中一个重要的过渡阶段。

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It has been considered that Amphioxus, as cephalochordate, lacks adaptive immune system.

以往的观点认为，文昌鱼作为头索动物不存在获得性免疫系统。

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Amphioxus, a cephalochordate, is an important model for studies of evolution and comparative biology.

文昌鱼是研究进化和比较生物学的重要模式生物。

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Regarding titanium-nut as repair material, sphenotresia ( group one) or sutrue of pericranium to titanium-nut ( group two) was selected to repair skull defects at the same time of craniotomy, two months or 5-6 months later post-operation respectively.

以钛网片为修补材料，分别于开颅同期、术后2个月和5～6个月，选择颅骨钻孔固定（Ⅰ组）和钛网骨膜缝扎法（Ⅱ组）修补颅骨缺损。

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Methods 23 patients suffered from large anterior skull base defect were selected in this study. Titanium mesh was put into the two layers of continuous vascularized pericranium to reconstruct the defected anterior base of skull.

方法将钛网片放在折叠的具有良好血供的带蒂颅骨膜两层之间，对23例具有较大颅底缺损的患者进行颅底重建。

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Fresh human dura is the least compliant and then in increasing order are lyophilized human dura, fresh human pericranium, Terylene and silicon membranes.

新鲜人硬脑膜的柔度最小，冻干人硬脑膜、新鲜人颅骨膜、硅橡胶膜、涤纶片的柔度依次增大。

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Rather than a single set of peepers that collect info for processing by a big brain, box jellies have different eye types responsible for informing different behaviors, with no brains.

虽没有大脑，但它们不同种类的眼睛分担不同功能，而不是一整个通过大脑支配的单纯的信息收集器。

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Los Angeles-based Miles Horst, who won the 1000 USD prize for the best adult submission imagines a world where teachers are replaced by a 'brain box' in his fun animated entry.

来自洛杉矶的Miles Horst最后获得了最佳成人组奖项，并获得了1000美元奖金。他给我们生动有趣的展现了如果老师都被“大脑盒子”替代后世界会是什么样子。

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Brain Box Holly Smoke The Supply Device for Saving Internal Paper of Cigarettes with Stiff Casement

硬盒机节约型内卡纸供给装置

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Brain Box Rebuilding of Header-Contracted Machine

集箱收口机的改造

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