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The sperm originate in gonial cells (spermatogonia) in the walls of seminiferous tubules.

精子产生于输精管性母细胞(精原细胞)。

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Thickening of the arterial wall with malignant hypertension also produces a hyperplastic arteriolitis. The arteriole has an "onion skin" appearance.

恶性高血压动脉增厚发生增生性小动脉炎,小动脉呈洋葱皮样表现。

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Drupe (pyrenocarp) A fleshy indehiscent fruit containing one or more seeds each surrounded by a hard stony wall, the endocarp.

核果(子囊壳):是种肉质闭果,其内枚或多枚种子,并且每粒种子被着坚硬,即内果皮。

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The results show that high pinning field could be obtained with appropriate thickness and magnetocrystalline anisotropy constant of cell boundary phase.

结果表明,只有合适相厚度和磁晶各向异性常数才能获得高钉扎场。

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The exine of pollen wall is of different electron density, the nexine dense and the sexine, comprising tectum, bacules, and foot layer, relatively thin.

花粉外壁分为外层和内层,外层括覆盖层、基粒棒和基足层等三层,内层只层。

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Methods The morphosis of the mesothelium of the parietal pleura in rat were investigated by intrapleura injection with tracers and observed by scanning electron microscope.

方法向大鼠胸膜腔内注射示踪剂,应用扫描电镜方法观察胸膜间皮形态变化。

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Here PMN's that are marginated along the venule wall (arrow) are squeezing through the basement membrane (the process of diapedesis) and spilling out into extravascular space.

图示边集于小静脉中性粒细胞(箭头所示)正挤出基底膜(渗出),游走到血管外。

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The utility model discloses a fanhead of a fanner which is used as the fanhead of a ceiling fan, a desk fan, a floor fan and a wall fan.

本实用新型公开了种电风扇扇头,它可用作吊扇、台扇、落地扇和扇头。

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TPCO Iron-making Subsidiary adopts a stoppage method of dropping the stock level with vacant stockline to expose the staves inside the blast furnace in order to replace the damaged ones.

介绍了天津钢管制铁有限公司为了更换高炉损坏冷却,采取了空料线降料面停炉方法裸露冷却实践。

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VOA 常速 2016年3月合集

Exhaust gases escape through ports in the cylinder walls.

而废气通过汽缸接口

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球慢速英语

It connects to the wall of the mother's uterus.

它与母亲子宫相连。

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美国国家公园

They build their nests on flat surfaces of the canyon walls.

他们在峡谷平坦面上筑巢。

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透视百科科技类

A rip in the plane wall, a window cracks, it doesn't matter the cause.

飞机、窗户上裂缝由什么引起并不重要。

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科学大揭秘

This allows for relatively thinner walls and componentry that isn't subject to such high stress.

所以它可以有相对较薄和组件不受如此高应力。

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VOA慢速英语_科技

The machine is a circular ring with strong walls to resist intense heat.

该机器是一个圆,有坚固以抵抗高温。

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下厨房

Like the whole album, no, not like fires, like intentional fireplace fires.

我是指做专辑氛围......不是说失火,不是那种刻意生起来炉火。

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生活大爆炸 第9季

How does your brain feel about calculating the surface tension of the domain walls?

那你大脑对于计算畴表面张力怎么看?

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Lost Girl S02

Thunder bolts were supposed to go off.

炉火应该点亮

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Osmosis-心血管

During surgery, physical damage to vessels activates the clotting cascade.

在手过程中,血管物理损伤激活了凝血系统。

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VOA Special 2022年6月合集

The study involved 455 patients who had surgery because cancer had spread into the colon wall.

这项研究涉及455名因癌症已扩散到结肠而接受手者。

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生活大爆炸 第9季

Well, now that you can focus again, what do you say we get back to surface tension of domain walls?

现在你注意力又能集中了,咱们可以回到畴表面张力研究了吧?

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Crash Course 解剖生理学篇

Some of our largest artery walls are made of this stretchy elastic tissue, too, which provides both support and flexibility.

我们一些最大动脉也是由这种有弹性弹性组织制成,它提供了支撑和灵活性。

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TED-Ed(视频版)

That causes the surrounding muscular wall to stretch, expanding slowly like a balloon.

这导致周围肌肉伸展,像气球一样缓慢膨胀。

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科技智慧坊

However, the walls of the microwave are designed to block waves of this frequency.

然而,微波炉设计用于阻挡这种频率波。

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《沙丘》有声书

Its shock wave tumbled chips off the rock ledge they had vacated.

冲击波从他们腾岩石架上滚落下来。

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博兹曼科学——物理

So we have the pressure, the pressure exerted by the molecules on the container.

因此,我们有了压力,即分子对容器施加压力。

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Fresh Air

They penetrate all the way into the mother's bloodstream in that uterine wall.

它们一路渗透到母亲子宫血液中。

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The Diary Of A CEO

And then the entirety of my abdomen is the wall of the cylinder.

整个腹部就是圆柱体

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Mayo Clinic Talks

This is when that placenta kind of starts to prematurely detach from the uterine wall.

这就是胎盘开始过早从子宫剥离情况。

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