Organization and professional standards information, position papers and online journal.

Segmented polyurethanes amorphous or crystalline soft segments as reversible phase and phase can exhibIt'shape-memory properties.

聚氨酯是一种具有微相分离本体结构的多嵌段共聚物,可通过调节原料的组成和配比,得到性能各异的新型功能高分子材料.

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The aim was to research the sound absorption properties of graded polyurethanes at incident angles.

主要研究梯度聚氨酯在全入射角下的吸声性能.

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Solid polyurethanes are similar to injection moulding materials, and more suited to thinner wall sections.

固体聚氨酯类似注射成型材料, 更适合薄壁截面零件.

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At times it was low enough that they were able to see portholes.

有时是足够低,他们可以看到舷窗.

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BEAR: Look. Portholes. We'll be able to see out in any direction.

小熊: 你看, 舷窗. 我们能从任何方向朝外看.

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The Vimanas-The Ramayana describes a Vimana a double-deck, circular ( cylindrical ) aircraft with portholes and a dome.

维曼拿斯 —— 《罗摩衍那》描述了维曼拿斯是双重的碟子, 圆形 ( 或柱形 ) 的飞行器,带有舷窗和圆顶.

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Does this correspond with or contradict his earlier ploys?

这与他之前的表现相符或冲突?

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She tried many ploys to get the boy interested in her.

她试过很多伎俩去赢取男孩的青睐.

辞典例句

The boss tried many ploys to get customers into the store.

老板用尽各种伎俩引顾客上门.

辞典例句

This is and most resourceful ploys of ego to prevent us from discovering our real nature.

这是自我最狡猾的诡计,让人无法发掘内在真实的本质.

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The use of police dogs is a quite special way against criminals.

警犬使用是公安机关打击和预防犯罪的一种特殊的技术手段.

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The name would imply that the sport trains police dogs.

光看名字,会以为是体育方式训练警犬.

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Across the street from me there are a couple of police officers standing guard.

我对面的街上有几名警官在站岗。

柯林斯词典例句库

The two police officers were accused of unlawful killing.

这两名警员被控非法杀人。

《牛津高阶英汉双解词典》

We can't have police officers on every corner.

不可能每个街角都派驻警察.

柯林斯词典例句库

Police officers in the UK do not usually carry arms .

英国警察通常不携带武器。

《牛津高阶英汉双解词典》

The canals were arteries of communication: They were not made to carry pleasure boats, but barges.

运河是交通的动脉,开运河不是为了走游艇, 而是为了通行驳船.

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They deepened the lake so that bigger pleasure boats could use it.

他们将湖挖深了,这样,更大的游乐船就可以驶入了.

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The river was blocked by pleasure boats.

河道被游船堵塞.

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The pragmatists who began it were motivated by medical considerations.

启动该工程的实用家们是受到医学方面考虑的激励.

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